Home / 124,557,251.20-186,835,876.80-92,272,210.45

Finding the Fourth Proportional to 124,557,251.20, 186,835,876.80 and 92,272,210.45

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Solution

The fourth proportional to 124,557,251.20, 186,835,876.80 and 92,272,210.45 is: 138,408,315.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,557,251.20 : 186,835,876.80 = 92,272,210.45 : x
  2. Step 2: Convert to fraction form
    124,557,251.20/186,835,876.80 = 92,272,210.45/x
  3. Step 3: Cross multiply
    124,557,251.20x = 186,835,876.80 × 92,272,210.45
  4. Step 4: Simplify right side
    124,557,251.20x = 17,239,759,343,699,874
  5. Step 5: Solve for x
    x = 17,239,759,343,699,874/124,557,251.20
  6. Step 6: Final answer
    x = 138,408,315.68

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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.