Home / 52,506,680.20-78,760,020.30-45,326,321.80

Finding the Fourth Proportional to 52,506,680.20, 78,760,020.30 and 45,326,321.80

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Solution

The fourth proportional to 52,506,680.20, 78,760,020.30 and 45,326,321.80 is: 67,989,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,506,680.20 : 78,760,020.30 = 45,326,321.80 : x
  2. Step 2: Convert to fraction form
    52,506,680.20/78,760,020.30 = 45,326,321.80/x
  3. Step 3: Cross multiply
    52,506,680.20x = 78,760,020.30 × 45,326,321.80
  4. Step 4: Simplify right side
    52,506,680.20x = 3,569,902,025,092,332
  5. Step 5: Solve for x
    x = 3,569,902,025,092,332/52,506,680.20
  6. Step 6: Final answer
    x = 67,989,482.70

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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.