Home / 131,126,723.70-196,690,085.55-96,689,346.90

Finding the Fourth Proportional to 131,126,723.70, 196,690,085.55 and 96,689,346.90

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Solution

The fourth proportional to 131,126,723.70, 196,690,085.55 and 96,689,346.90 is: 145,034,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,126,723.70 : 196,690,085.55 = 96,689,346.90 : x
  2. Step 2: Convert to fraction form
    131,126,723.70/196,690,085.55 = 96,689,346.90/x
  3. Step 3: Cross multiply
    131,126,723.70x = 196,690,085.55 × 96,689,346.90
  4. Step 4: Simplify right side
    131,126,723.70x = 19,017,835,913,534,628
  5. Step 5: Solve for x
    x = 19,017,835,913,534,628/131,126,723.70
  6. Step 6: Final answer
    x = 145,034,020.35

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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.