Home / 154,426,731.17-231,639,910.83-39,411,285.80

Finding the Fourth Proportional to 154,426,731.17, 231,639,910.83 and 39,411,285.80

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Solution

The fourth proportional to 154,426,731.17, 231,639,910.83 and 39,411,285.80 is: 59,116,881.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,731.17 : 231,639,910.83 = 39,411,285.80 : x
  2. Step 2: Convert to fraction form
    154,426,731.17/231,639,910.83 = 39,411,285.80/x
  3. Step 3: Cross multiply
    154,426,731.17x = 231,639,910.83 × 39,411,285.80
  4. Step 4: Simplify right side
    154,426,731.17x = 9,129,226,727,249,446
  5. Step 5: Solve for x
    x = 9,129,226,727,249,446/154,426,731.17
  6. Step 6: Final answer
    x = 59,116,881.24

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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.