Home / 242,280,666.90-363,421,000.35-145,534,785.30

Finding the Fourth Proportional to 242,280,666.90, 363,421,000.35 and 145,534,785.30

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Solution

The fourth proportional to 242,280,666.90, 363,421,000.35 and 145,534,785.30 is: 218,302,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,280,666.90 : 363,421,000.35 = 145,534,785.30 : x
  2. Step 2: Convert to fraction form
    242,280,666.90/363,421,000.35 = 145,534,785.30/x
  3. Step 3: Cross multiply
    242,280,666.90x = 363,421,000.35 × 145,534,785.30
  4. Step 4: Simplify right side
    242,280,666.90x = 52,890,397,259,448,480
  5. Step 5: Solve for x
    x = 52,890,397,259,448,480/242,280,666.90
  6. Step 6: Final answer
    x = 218,302,177.95

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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.