Home / 207,495,711.36-286,476,143.06-129,294,151.20

Finding the Fourth Proportional to 207,495,711.36, 286,476,143.06 and 129,294,151.20

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Solution

The fourth proportional to 207,495,711.36, 286,476,143.06 and 129,294,151.20 is: 178,508,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,495,711.36 : 286,476,143.06 = 129,294,151.20 : x
  2. Step 2: Convert to fraction form
    207,495,711.36/286,476,143.06 = 129,294,151.20/x
  3. Step 3: Cross multiply
    207,495,711.36x = 286,476,143.06 × 129,294,151.20
  4. Step 4: Simplify right side
    207,495,711.36x = 37,039,689,756,315,704
  5. Step 5: Solve for x
    x = 37,039,689,756,315,704/207,495,711.36
  6. Step 6: Final answer
    x = 178,508,218.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.