Home / 87,168,421.20-130,516,702.20-68,294,053.20

Finding the Fourth Proportional to 87,168,421.20, 130,516,702.20 and 68,294,053.20

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Solution

The fourth proportional to 87,168,421.20, 130,516,702.20 and 68,294,053.20 is: 102,256,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,168,421.20 : 130,516,702.20 = 68,294,053.20 : x
  2. Step 2: Convert to fraction form
    87,168,421.20/130,516,702.20 = 68,294,053.20/x
  3. Step 3: Cross multiply
    87,168,421.20x = 130,516,702.20 × 68,294,053.20
  4. Step 4: Simplify right side
    87,168,421.20x = 8,913,514,603,535,358
  5. Step 5: Solve for x
    x = 8,913,514,603,535,358/87,168,421.20
  6. Step 6: Final answer
    x = 102,256,235.47

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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.