Home / 126,749,772,030.60-190,124,658,045.90-82,118,931,697.80

Finding the Fourth Proportional to 126,749,772,030.60, 190,124,658,045.90 and 82,118,931,697.80

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Solution

The fourth proportional to 126,749,772,030.60, 190,124,658,045.90 and 82,118,931,697.80 is: 123,178,397,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749,772,030.60 : 190,124,658,045.90 = 82,118,931,697.80 : x
  2. Step 2: Convert to fraction form
    126,749,772,030.60/190,124,658,045.90 = 82,118,931,697.80/x
  3. Step 3: Cross multiply
    126,749,772,030.60x = 190,124,658,045.90 × 82,118,931,697.80
  4. Step 4: Simplify right side
    126,749,772,030.60x = 15,612,833,808,138,842,931,200
  5. Step 5: Solve for x
    x = 15,612,833,808,138,842,931,200/126,749,772,030.60
  6. Step 6: Final answer
    x = 123,178,397,546.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.