Home / 99,213,656.52-148,810,862.16-30,127,057.92

Finding the Fourth Proportional to 99,213,656.52, 148,810,862.16 and 30,127,057.92

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Solution

The fourth proportional to 99,213,656.52, 148,810,862.16 and 30,127,057.92 is: 45,187,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,656.52 : 148,810,862.16 = 30,127,057.92 : x
  2. Step 2: Convert to fraction form
    99,213,656.52/148,810,862.16 = 30,127,057.92/x
  3. Step 3: Cross multiply
    99,213,656.52x = 148,810,862.16 × 30,127,057.92
  4. Step 4: Simplify right side
    99,213,656.52x = 4,483,233,463,419,456.50
  5. Step 5: Solve for x
    x = 4,483,233,463,419,456.50/99,213,656.52
  6. Step 6: Final answer
    x = 45,187,664.89

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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.