Home / 124,502,046.20-186,894,786.90-73,412,851.40

Finding the Fourth Proportional to 124,502,046.20, 186,894,786.90 and 73,412,851.40

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Solution

The fourth proportional to 124,502,046.20, 186,894,786.90 and 73,412,851.40 is: 110,202,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502,046.20 : 186,894,786.90 = 73,412,851.40 : x
  2. Step 2: Convert to fraction form
    124,502,046.20/186,894,786.90 = 73,412,851.40/x
  3. Step 3: Cross multiply
    124,502,046.20x = 186,894,786.90 × 73,412,851.40
  4. Step 4: Simplify right side
    124,502,046.20x = 13,720,479,218,124,368
  5. Step 5: Solve for x
    x = 13,720,479,218,124,368/124,502,046.20
  6. Step 6: Final answer
    x = 110,202,841.13

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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.