Home / 99,016,468.20-148,524,702.30-90,506,413.80

Finding the Fourth Proportional to 99,016,468.20, 148,524,702.30 and 90,506,413.80

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Solution

The fourth proportional to 99,016,468.20, 148,524,702.30 and 90,506,413.80 is: 135,759,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016,468.20 : 148,524,702.30 = 90,506,413.80 : x
  2. Step 2: Convert to fraction form
    99,016,468.20/148,524,702.30 = 90,506,413.80/x
  3. Step 3: Cross multiply
    99,016,468.20x = 148,524,702.30 × 90,506,413.80
  4. Step 4: Simplify right side
    99,016,468.20x = 13,442,438,165,885,612
  5. Step 5: Solve for x
    x = 13,442,438,165,885,612/99,016,468.20
  6. Step 6: Final answer
    x = 135,759,620.70

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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.