Home / 107,523,145.60-161,305,713.60-42,815,939.20

Finding the Fourth Proportional to 107,523,145.60, 161,305,713.60 and 42,815,939.20

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Solution

The fourth proportional to 107,523,145.60, 161,305,713.60 and 42,815,939.20 is: 64,232,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,523,145.60 : 161,305,713.60 = 42,815,939.20 : x
  2. Step 2: Convert to fraction form
    107,523,145.60/161,305,713.60 = 42,815,939.20/x
  3. Step 3: Cross multiply
    107,523,145.60x = 161,305,713.60 × 42,815,939.20
  4. Step 4: Simplify right side
    107,523,145.60x = 6,906,455,626,110,213
  5. Step 5: Solve for x
    x = 6,906,455,626,110,213/107,523,145.60
  6. Step 6: Final answer
    x = 64,232,269.13

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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.