Home / 91,413,758.18-137,088,750.81-40,267,876.34

Finding the Fourth Proportional to 91,413,758.18, 137,088,750.81 and 40,267,876.34

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Solution

The fourth proportional to 91,413,758.18, 137,088,750.81 and 40,267,876.34 is: 60,387,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413,758.18 : 137,088,750.81 = 40,267,876.34 : x
  2. Step 2: Convert to fraction form
    91,413,758.18/137,088,750.81 = 40,267,876.34/x
  3. Step 3: Cross multiply
    91,413,758.18x = 137,088,750.81 × 40,267,876.34
  4. Step 4: Simplify right side
    91,413,758.18x = 5,520,272,865,715,881
  5. Step 5: Solve for x
    x = 5,520,272,865,715,881/91,413,758.18
  6. Step 6: Final answer
    x = 60,387,768.49

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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.