Home / 119,820,439.80-179,755,079.58-54,210,063.15

Finding the Fourth Proportional to 119,820,439.80, 179,755,079.58 and 54,210,063.15

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Solution

The fourth proportional to 119,820,439.80, 179,755,079.58 and 54,210,063.15 is: 81,326,142.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,820,439.80 : 179,755,079.58 = 54,210,063.15 : x
  2. Step 2: Convert to fraction form
    119,820,439.80/179,755,079.58 = 54,210,063.15/x
  3. Step 3: Cross multiply
    119,820,439.80x = 179,755,079.58 × 54,210,063.15
  4. Step 4: Simplify right side
    119,820,439.80x = 9,744,534,215,565,076
  5. Step 5: Solve for x
    x = 9,744,534,215,565,076/119,820,439.80
  6. Step 6: Final answer
    x = 81,326,142.95

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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.