Home / 99,732,321.80-149,626,476.30-48,616,008.20

Finding the Fourth Proportional to 99,732,321.80, 149,626,476.30 and 48,616,008.20

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Solution

The fourth proportional to 99,732,321.80, 149,626,476.30 and 48,616,008.20 is: 72,937,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732,321.80 : 149,626,476.30 = 48,616,008.20 : x
  2. Step 2: Convert to fraction form
    99,732,321.80/149,626,476.30 = 48,616,008.20/x
  3. Step 3: Cross multiply
    99,732,321.80x = 149,626,476.30 × 48,616,008.20
  4. Step 4: Simplify right side
    99,732,321.80x = 7,274,241,998,737,907
  5. Step 5: Solve for x
    x = 7,274,241,998,737,907/99,732,321.80
  6. Step 6: Final answer
    x = 72,937,658.20

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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.