Home / 129,489,151.20-194,233,726.80-112,105,125.60

Finding the Fourth Proportional to 129,489,151.20, 194,233,726.80 and 112,105,125.60

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Solution

The fourth proportional to 129,489,151.20, 194,233,726.80 and 112,105,125.60 is: 168,157,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,489,151.20 : 194,233,726.80 = 112,105,125.60 : x
  2. Step 2: Convert to fraction form
    129,489,151.20/194,233,726.80 = 112,105,125.60/x
  3. Step 3: Cross multiply
    129,489,151.20x = 194,233,726.80 × 112,105,125.60
  4. Step 4: Simplify right side
    129,489,151.20x = 21,774,596,338,670,088
  5. Step 5: Solve for x
    x = 21,774,596,338,670,088/129,489,151.20
  6. Step 6: Final answer
    x = 168,157,688.40

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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.