Home / 124,502,029.20-186,894,761.40-73,412,834.40

Finding the Fourth Proportional to 124,502,029.20, 186,894,761.40 and 73,412,834.40

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Solution

The fourth proportional to 124,502,029.20, 186,894,761.40 and 73,412,834.40 is: 110,202,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,502,029.20 : 186,894,761.40 = 73,412,834.40 : x
  2. Step 2: Convert to fraction form
    124,502,029.20/186,894,761.40 = 73,412,834.40/x
  3. Step 3: Cross multiply
    124,502,029.20x = 186,894,761.40 × 73,412,834.40
  4. Step 4: Simplify right side
    124,502,029.20x = 13,720,474,168,885,714
  5. Step 5: Solve for x
    x = 13,720,474,168,885,714/124,502,029.20
  6. Step 6: Final answer
    x = 110,202,815.63

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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.