Home / 74,911,030.20-112,366,545.30-69,984,156.60

Finding the Fourth Proportional to 74,911,030.20, 112,366,545.30 and 69,984,156.60

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Solution

The fourth proportional to 74,911,030.20, 112,366,545.30 and 69,984,156.60 is: 104,976,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,911,030.20 : 112,366,545.30 = 69,984,156.60 : x
  2. Step 2: Convert to fraction form
    74,911,030.20/112,366,545.30 = 69,984,156.60/x
  3. Step 3: Cross multiply
    74,911,030.20x = 112,366,545.30 × 69,984,156.60
  4. Step 4: Simplify right side
    74,911,030.20x = 7,863,877,902,876,193
  5. Step 5: Solve for x
    x = 7,863,877,902,876,193/74,911,030.20
  6. Step 6: Final answer
    x = 104,976,234.90

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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.