Home / 78,893,999.10-118,340,998.65-59,762,123.10

Finding the Fourth Proportional to 78,893,999.10, 118,340,998.65 and 59,762,123.10

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Solution

The fourth proportional to 78,893,999.10, 118,340,998.65 and 59,762,123.10 is: 89,643,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,893,999.10 : 118,340,998.65 = 59,762,123.10 : x
  2. Step 2: Convert to fraction form
    78,893,999.10/118,340,998.65 = 59,762,123.10/x
  3. Step 3: Cross multiply
    78,893,999.10x = 118,340,998.65 × 59,762,123.10
  4. Step 4: Simplify right side
    78,893,999.10x = 7,072,309,329,098,234
  5. Step 5: Solve for x
    x = 7,072,309,329,098,234/78,893,999.10
  6. Step 6: Final answer
    x = 89,643,184.65

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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.