Home / 89,990,665.28-134,926,001.76-29,385,143.36

Finding the Fourth Proportional to 89,990,665.28, 134,926,001.76 and 29,385,143.36

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Solution

The fourth proportional to 89,990,665.28, 134,926,001.76 and 29,385,143.36 is: 44,058,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,990,665.28 : 134,926,001.76 = 29,385,143.36 : x
  2. Step 2: Convert to fraction form
    89,990,665.28/134,926,001.76 = 29,385,143.36/x
  3. Step 3: Cross multiply
    89,990,665.28x = 134,926,001.76 × 29,385,143.36
  4. Step 4: Simplify right side
    89,990,665.28x = 3,964,819,904,709,212
  5. Step 5: Solve for x
    x = 3,964,819,904,709,212/89,990,665.28
  6. Step 6: Final answer
    x = 44,058,124.17

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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.