Home / 99,555,849.60-149,215,809.60-42,048,009.60

Finding the Fourth Proportional to 99,555,849.60, 149,215,809.60 and 42,048,009.60

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Solution

The fourth proportional to 99,555,849.60, 149,215,809.60 and 42,048,009.60 is: 63,022,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,555,849.60 : 149,215,809.60 = 42,048,009.60 : x
  2. Step 2: Convert to fraction form
    99,555,849.60/149,215,809.60 = 42,048,009.60/x
  3. Step 3: Cross multiply
    99,555,849.60x = 149,215,809.60 × 42,048,009.60
  4. Step 4: Simplify right side
    99,555,849.60x = 6,274,227,794,532,572
  5. Step 5: Solve for x
    x = 6,274,227,794,532,572/99,555,849.60
  6. Step 6: Final answer
    x = 63,022,191.26

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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.