Home / 88,428,038.40-132,516,086.40-65,217,844.80

Finding the Fourth Proportional to 88,428,038.40, 132,516,086.40 and 65,217,844.80

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Solution

The fourth proportional to 88,428,038.40, 132,516,086.40 and 65,217,844.80 is: 97,733,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428,038.40 : 132,516,086.40 = 65,217,844.80 : x
  2. Step 2: Convert to fraction form
    88,428,038.40/132,516,086.40 = 65,217,844.80/x
  3. Step 3: Cross multiply
    88,428,038.40x = 132,516,086.40 × 65,217,844.80
  4. Step 4: Simplify right side
    88,428,038.40x = 8,642,413,556,338,591
  5. Step 5: Solve for x
    x = 8,642,413,556,338,591/88,428,038.40
  6. Step 6: Final answer
    x = 97,733,860.35

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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.