Home / 99,172,972.80-148,759,459.20-83,300,601.60

Finding the Fourth Proportional to 99,172,972.80, 148,759,459.20 and 83,300,601.60

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Solution

The fourth proportional to 99,172,972.80, 148,759,459.20 and 83,300,601.60 is: 124,950,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,172,972.80 : 148,759,459.20 = 83,300,601.60 : x
  2. Step 2: Convert to fraction form
    99,172,972.80/148,759,459.20 = 83,300,601.60/x
  3. Step 3: Cross multiply
    99,172,972.80x = 148,759,459.20 × 83,300,601.60
  4. Step 4: Simplify right side
    99,172,972.80x = 12,391,752,445,050,652
  5. Step 5: Solve for x
    x = 12,391,752,445,050,652/99,172,972.80
  6. Step 6: Final answer
    x = 124,950,902.40

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1.5x scale

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.