Home / 78,293,267.10-117,542,538.51-52,500,979.74

Finding the Fourth Proportional to 78,293,267.10, 117,542,538.51 and 52,500,979.74

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Solution

The fourth proportional to 78,293,267.10, 117,542,538.51 and 52,500,979.74 is: 78,820,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,293,267.10 : 117,542,538.51 = 52,500,979.74 : x
  2. Step 2: Convert to fraction form
    78,293,267.10/117,542,538.51 = 52,500,979.74/x
  3. Step 3: Cross multiply
    78,293,267.10x = 117,542,538.51 × 52,500,979.74
  4. Step 4: Simplify right side
    78,293,267.10x = 6,171,098,432,901,680
  5. Step 5: Solve for x
    x = 6,171,098,432,901,680/78,293,267.10
  6. Step 6: Final answer
    x = 78,820,295.30

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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.