Home / 99,659,419.88-149,565,430.16-45,110,313.17

Finding the Fourth Proportional to 99,659,419.88, 149,565,430.16 and 45,110,313.17

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Solution

The fourth proportional to 99,659,419.88, 149,565,430.16 and 45,110,313.17 is: 67,700,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659,419.88 : 149,565,430.16 = 45,110,313.17 : x
  2. Step 2: Convert to fraction form
    99,659,419.88/149,565,430.16 = 45,110,313.17/x
  3. Step 3: Cross multiply
    99,659,419.88x = 149,565,430.16 × 45,110,313.17
  4. Step 4: Simplify right side
    99,659,419.88x = 6,746,943,394,410,052
  5. Step 5: Solve for x
    x = 6,746,943,394,410,052/99,659,419.88
  6. Step 6: Final answer
    x = 67,700,006.71

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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.