Home / 48,385,387.80-72,578,081.70-19,645,291.80

Finding the Fourth Proportional to 48,385,387.80, 72,578,081.70 and 19,645,291.80

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Solution

The fourth proportional to 48,385,387.80, 72,578,081.70 and 19,645,291.80 is: 29,467,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,387.80 : 72,578,081.70 = 19,645,291.80 : x
  2. Step 2: Convert to fraction form
    48,385,387.80/72,578,081.70 = 19,645,291.80/x
  3. Step 3: Cross multiply
    48,385,387.80x = 72,578,081.70 × 19,645,291.80
  4. Step 4: Simplify right side
    48,385,387.80x = 1,425,817,593,280,740.25
  5. Step 5: Solve for x
    x = 1,425,817,593,280,740.25/48,385,387.80
  6. Step 6: Final answer
    x = 29,467,937.70

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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.