Home / 100,635,402.18-150,928,171.45-43,121,151.30

Finding the Fourth Proportional to 100,635,402.18, 150,928,171.45 and 43,121,151.30

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Solution

The fourth proportional to 100,635,402.18, 150,928,171.45 and 43,121,151.30 is: 64,671,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,635,402.18 : 150,928,171.45 = 43,121,151.30 : x
  2. Step 2: Convert to fraction form
    100,635,402.18/150,928,171.45 = 43,121,151.30/x
  3. Step 3: Cross multiply
    100,635,402.18x = 150,928,171.45 × 43,121,151.30
  4. Step 4: Simplify right side
    100,635,402.18x = 6,508,196,516,527,789
  5. Step 5: Solve for x
    x = 6,508,196,516,527,789/100,635,402.18
  6. Step 6: Final answer
    x = 64,671,043.94

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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.