Home / 358,732,823.10-538,099,234.65-86,103,590.10

Finding the Fourth Proportional to 358,732,823.10, 538,099,234.65 and 86,103,590.10

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Solution

The fourth proportional to 358,732,823.10, 538,099,234.65 and 86,103,590.10 is: 129,155,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,732,823.10 : 538,099,234.65 = 86,103,590.10 : x
  2. Step 2: Convert to fraction form
    358,732,823.10/538,099,234.65 = 86,103,590.10/x
  3. Step 3: Cross multiply
    358,732,823.10x = 538,099,234.65 × 86,103,590.10
  4. Step 4: Simplify right side
    358,732,823.10x = 46,332,275,933,427,312
  5. Step 5: Solve for x
    x = 46,332,275,933,427,312/358,732,823.10
  6. Step 6: Final answer
    x = 129,155,385.15

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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.