Home / 146,754,934.90-220,158,974.40-73,788,085.60

Finding the Fourth Proportional to 146,754,934.90, 220,158,974.40 and 73,788,085.60

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Solution

The fourth proportional to 146,754,934.90, 220,158,974.40 and 73,788,085.60 is: 110,695,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,754,934.90 : 220,158,974.40 = 73,788,085.60 : x
  2. Step 2: Convert to fraction form
    146,754,934.90/220,158,974.40 = 73,788,085.60/x
  3. Step 3: Cross multiply
    146,754,934.90x = 220,158,974.40 × 73,788,085.60
  4. Step 4: Simplify right side
    146,754,934.90x = 16,245,109,248,635,408
  5. Step 5: Solve for x
    x = 16,245,109,248,635,408/146,754,934.90
  6. Step 6: Final answer
    x = 110,695,488.77

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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.