Home / 99,732,320.80-149,626,474.80-48,616,007.20

Finding the Fourth Proportional to 99,732,320.80, 149,626,474.80 and 48,616,007.20

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Solution

The fourth proportional to 99,732,320.80, 149,626,474.80 and 48,616,007.20 is: 72,937,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732,320.80 : 149,626,474.80 = 48,616,007.20 : x
  2. Step 2: Convert to fraction form
    99,732,320.80/149,626,474.80 = 48,616,007.20/x
  3. Step 3: Cross multiply
    99,732,320.80x = 149,626,474.80 × 48,616,007.20
  4. Step 4: Simplify right side
    99,732,320.80x = 7,274,241,776,187,420
  5. Step 5: Solve for x
    x = 7,274,241,776,187,420/99,732,320.80
  6. Step 6: Final answer
    x = 72,937,656.70

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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.