Home / 154,426,728.03-231,639,906.14-39,411,282.66

Finding the Fourth Proportional to 154,426,728.03, 231,639,906.14 and 39,411,282.66

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Solution

The fourth proportional to 154,426,728.03, 231,639,906.14 and 39,411,282.66 is: 59,116,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,728.03 : 231,639,906.14 = 39,411,282.66 : x
  2. Step 2: Convert to fraction form
    154,426,728.03/231,639,906.14 = 39,411,282.66/x
  3. Step 3: Cross multiply
    154,426,728.03x = 231,639,906.14 × 39,411,282.66
  4. Step 4: Simplify right side
    154,426,728.03x = 9,129,225,816,219,408
  5. Step 5: Solve for x
    x = 9,129,225,816,219,408/154,426,728.03
  6. Step 6: Final answer
    x = 59,116,876.55

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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.