Home / 242,284,213.40-363,426,320.10-145,538,331.80

Finding the Fourth Proportional to 242,284,213.40, 363,426,320.10 and 145,538,331.80

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Solution

The fourth proportional to 242,284,213.40, 363,426,320.10 and 145,538,331.80 is: 218,307,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,284,213.40 : 363,426,320.10 = 145,538,331.80 : x
  2. Step 2: Convert to fraction form
    242,284,213.40/363,426,320.10 = 145,538,331.80/x
  3. Step 3: Cross multiply
    242,284,213.40x = 363,426,320.10 × 145,538,331.80
  4. Step 4: Simplify right side
    242,284,213.40x = 52,892,460,359,566,816
  5. Step 5: Solve for x
    x = 52,892,460,359,566,816/242,284,213.40
  6. Step 6: Final answer
    x = 218,307,497.70

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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.