Home / 363,480,011.20-545,223,127.20-121,142,915.20

Finding the Fourth Proportional to 363,480,011.20, 545,223,127.20 and 121,142,915.20

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Solution

The fourth proportional to 363,480,011.20, 545,223,127.20 and 121,142,915.20 is: 181,715,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,480,011.20 : 545,223,127.20 = 121,142,915.20 : x
  2. Step 2: Convert to fraction form
    363,480,011.20/545,223,127.20 = 121,142,915.20/x
  3. Step 3: Cross multiply
    363,480,011.20x = 545,223,127.20 × 121,142,915.20
  4. Step 4: Simplify right side
    363,480,011.20x = 66,049,919,063,468,424
  5. Step 5: Solve for x
    x = 66,049,919,063,468,424/363,480,011.20
  6. Step 6: Final answer
    x = 181,715,409.45

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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.