Home / 242,164,543.59-363,157,133.27-78,359,812.74

Finding the Fourth Proportional to 242,164,543.59, 363,157,133.27 and 78,359,812.74

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Solution

The fourth proportional to 242,164,543.59, 363,157,133.27 and 78,359,812.74 is: 117,510,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,164,543.59 : 363,157,133.27 = 78,359,812.74 : x
  2. Step 2: Convert to fraction form
    242,164,543.59/363,157,133.27 = 78,359,812.74/x
  3. Step 3: Cross multiply
    242,164,543.59x = 363,157,133.27 × 78,359,812.74
  4. Step 4: Simplify right side
    242,164,543.59x = 28,456,924,957,840,620
  5. Step 5: Solve for x
    x = 28,456,924,957,840,620/242,164,543.59
  6. Step 6: Final answer
    x = 117,510,699.69

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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.