Home / 124,762,809.60-187,156,720.80-42,870,902.40

Finding the Fourth Proportional to 124,762,809.60, 187,156,720.80 and 42,870,902.40

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Solution

The fourth proportional to 124,762,809.60, 187,156,720.80 and 42,870,902.40 is: 64,310,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,809.60 : 187,156,720.80 = 42,870,902.40 : x
  2. Step 2: Convert to fraction form
    124,762,809.60/187,156,720.80 = 42,870,902.40/x
  3. Step 3: Cross multiply
    124,762,809.60x = 187,156,720.80 × 42,870,902.40
  4. Step 4: Simplify right side
    124,762,809.60x = 8,023,577,510,920,850
  5. Step 5: Solve for x
    x = 8,023,577,510,920,850/124,762,809.60
  6. Step 6: Final answer
    x = 64,310,651.04

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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.