Home / 126,749,772,023.60-190,124,658,035.40-82,118,931,690.80

Finding the Fourth Proportional to 126,749,772,023.60, 190,124,658,035.40 and 82,118,931,690.80

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Solution

The fourth proportional to 126,749,772,023.60, 190,124,658,035.40 and 82,118,931,690.80 is: 123,178,397,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749,772,023.60 : 190,124,658,035.40 = 82,118,931,690.80 : x
  2. Step 2: Convert to fraction form
    126,749,772,023.60/190,124,658,035.40 = 82,118,931,690.80/x
  3. Step 3: Cross multiply
    126,749,772,023.60x = 190,124,658,035.40 × 82,118,931,690.80
  4. Step 4: Simplify right side
    126,749,772,023.60x = 15,612,833,805,945,721,061,376
  5. Step 5: Solve for x
    x = 15,612,833,805,945,721,061,376/126,749,772,023.60
  6. Step 6: Final answer
    x = 123,178,397,536.20

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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.