Home / 109,141,337.70-163,712,006.55-99,097,102.80

Finding the Fourth Proportional to 109,141,337.70, 163,712,006.55 and 99,097,102.80

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Solution

The fourth proportional to 109,141,337.70, 163,712,006.55 and 99,097,102.80 is: 148,645,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,141,337.70 : 163,712,006.55 = 99,097,102.80 : x
  2. Step 2: Convert to fraction form
    109,141,337.70/163,712,006.55 = 99,097,102.80/x
  3. Step 3: Cross multiply
    109,141,337.70x = 163,712,006.55 × 99,097,102.80
  4. Step 4: Simplify right side
    109,141,337.70x = 16,223,385,542,679,624
  5. Step 5: Solve for x
    x = 16,223,385,542,679,624/109,141,337.70
  6. Step 6: Final answer
    x = 148,645,654.20

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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.