Home / 363,771,030.30-545,656,545.45-133,710,221.40

Finding the Fourth Proportional to 363,771,030.30, 545,656,545.45 and 133,710,221.40

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Solution

The fourth proportional to 363,771,030.30, 545,656,545.45 and 133,710,221.40 is: 200,565,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,771,030.30 : 545,656,545.45 = 133,710,221.40 : x
  2. Step 2: Convert to fraction form
    363,771,030.30/545,656,545.45 = 133,710,221.40/x
  3. Step 3: Cross multiply
    363,771,030.30x = 545,656,545.45 × 133,710,221.40
  4. Step 4: Simplify right side
    363,771,030.30x = 72,959,857,500,478,672
  5. Step 5: Solve for x
    x = 72,959,857,500,478,672/363,771,030.30
  6. Step 6: Final answer
    x = 200,565,332.10

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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.