Home / 80,620,328.52-111,254,990.94-45,338,123.16

Finding the Fourth Proportional to 80,620,328.52, 111,254,990.94 and 45,338,123.16

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Solution

The fourth proportional to 80,620,328.52, 111,254,990.94 and 45,338,123.16 is: 62,566,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,620,328.52 : 111,254,990.94 = 45,338,123.16 : x
  2. Step 2: Convert to fraction form
    80,620,328.52/111,254,990.94 = 45,338,123.16/x
  3. Step 3: Cross multiply
    80,620,328.52x = 111,254,990.94 × 45,338,123.16
  4. Step 4: Simplify right side
    80,620,328.52x = 5,044,092,481,402,404
  5. Step 5: Solve for x
    x = 5,044,092,481,402,404/80,620,328.52
  6. Step 6: Final answer
    x = 62,566,012.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.