Home / 187,002,421.60-280,503,632.40-152,990,197.60

Finding the Fourth Proportional to 187,002,421.60, 280,503,632.40 and 152,990,197.60

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Solution

The fourth proportional to 187,002,421.60, 280,503,632.40 and 152,990,197.60 is: 229,485,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,002,421.60 : 280,503,632.40 = 152,990,197.60 : x
  2. Step 2: Convert to fraction form
    187,002,421.60/280,503,632.40 = 152,990,197.60/x
  3. Step 3: Cross multiply
    187,002,421.60x = 280,503,632.40 × 152,990,197.60
  4. Step 4: Simplify right side
    187,002,421.60x = 42,914,306,148,393,760
  5. Step 5: Solve for x
    x = 42,914,306,148,393,760/187,002,421.60
  6. Step 6: Final answer
    x = 229,485,296.40

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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.