Home / 99,753,015.60-149,546,579.40-42,289,412.40

Finding the Fourth Proportional to 99,753,015.60, 149,546,579.40 and 42,289,412.40

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Solution

The fourth proportional to 99,753,015.60, 149,546,579.40 and 42,289,412.40 is: 63,398,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,753,015.60 : 149,546,579.40 = 42,289,412.40 : x
  2. Step 2: Convert to fraction form
    99,753,015.60/149,546,579.40 = 42,289,412.40/x
  3. Step 3: Cross multiply
    99,753,015.60x = 149,546,579.40 × 42,289,412.40
  4. Step 4: Simplify right side
    99,753,015.60x = 6,324,236,969,255,945
  5. Step 5: Solve for x
    x = 6,324,236,969,255,945/99,753,015.60
  6. Step 6: Final answer
    x = 63,398,955.22

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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.