Home / 121,230,286.20-181,872,001.35-39,335,228.10

Finding the Fourth Proportional to 121,230,286.20, 181,872,001.35 and 39,335,228.10

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Solution

The fourth proportional to 121,230,286.20, 181,872,001.35 and 39,335,228.10 is: 59,011,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,230,286.20 : 181,872,001.35 = 39,335,228.10 : x
  2. Step 2: Convert to fraction form
    121,230,286.20/181,872,001.35 = 39,335,228.10/x
  3. Step 3: Cross multiply
    121,230,286.20x = 181,872,001.35 × 39,335,228.10
  4. Step 4: Simplify right side
    121,230,286.20x = 7,153,976,658,105,758
  5. Step 5: Solve for x
    x = 7,153,976,658,105,758/121,230,286.20
  6. Step 6: Final answer
    x = 59,011,463.90

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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.