Home / 126,749,775,579.60-190,124,663,369.40-82,118,935,246.80

Finding the Fourth Proportional to 126,749,775,579.60, 190,124,663,369.40 and 82,118,935,246.80

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Solution

The fourth proportional to 126,749,775,579.60, 190,124,663,369.40 and 82,118,935,246.80 is: 123,178,402,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749,775,579.60 : 190,124,663,369.40 = 82,118,935,246.80 : x
  2. Step 2: Convert to fraction form
    126,749,775,579.60/190,124,663,369.40 = 82,118,935,246.80/x
  3. Step 3: Cross multiply
    126,749,775,579.60x = 190,124,663,369.40 × 82,118,935,246.80
  4. Step 4: Simplify right side
    126,749,775,579.60x = 15,612,834,920,051,406,536,704
  5. Step 5: Solve for x
    x = 15,612,834,920,051,406,536,704/126,749,775,579.60
  6. Step 6: Final answer
    x = 123,178,402,870.20

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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.