Home / 82,950,413.60-124,425,620.40-52,680,000.80

Finding the Fourth Proportional to 82,950,413.60, 124,425,620.40 and 52,680,000.80

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Solution

The fourth proportional to 82,950,413.60, 124,425,620.40 and 52,680,000.80 is: 79,020,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,950,413.60 : 124,425,620.40 = 52,680,000.80 : x
  2. Step 2: Convert to fraction form
    82,950,413.60/124,425,620.40 = 52,680,000.80/x
  3. Step 3: Cross multiply
    82,950,413.60x = 124,425,620.40 × 52,680,000.80
  4. Step 4: Simplify right side
    82,950,413.60x = 6,554,741,782,212,496
  5. Step 5: Solve for x
    x = 6,554,741,782,212,496/82,950,413.60
  6. Step 6: Final answer
    x = 79,020,001.20

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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.