Home / 99,432,822.80-148,897,291.80-79,277,430.80

Finding the Fourth Proportional to 99,432,822.80, 148,897,291.80 and 79,277,430.80

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Solution

The fourth proportional to 99,432,822.80, 148,897,291.80 and 79,277,430.80 is: 118,715,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432,822.80 : 148,897,291.80 = 79,277,430.80 : x
  2. Step 2: Convert to fraction form
    99,432,822.80/148,897,291.80 = 79,277,430.80/x
  3. Step 3: Cross multiply
    99,432,822.80x = 148,897,291.80 × 79,277,430.80
  4. Step 4: Simplify right side
    99,432,822.80x = 11,804,194,746,981,908
  5. Step 5: Solve for x
    x = 11,804,194,746,981,908/99,432,822.80
  6. Step 6: Final answer
    x = 118,715,273.43

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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.