Home / 66,454,209.60-99,482,248.80-39,513,998.40

Finding the Fourth Proportional to 66,454,209.60, 99,482,248.80 and 39,513,998.40

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Solution

The fourth proportional to 66,454,209.60, 99,482,248.80 and 39,513,998.40 is: 59,152,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,454,209.60 : 99,482,248.80 = 39,513,998.40 : x
  2. Step 2: Convert to fraction form
    66,454,209.60/99,482,248.80 = 39,513,998.40/x
  3. Step 3: Cross multiply
    66,454,209.60x = 99,482,248.80 × 39,513,998.40
  4. Step 4: Simplify right side
    66,454,209.60x = 3,930,941,419,911,601.50
  5. Step 5: Solve for x
    x = 3,930,941,419,911,601.50/66,454,209.60
  6. Step 6: Final answer
    x = 59,152,632.22

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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.