Home / 91,756,823.20-137,794,667.10-48,710,102.20

Finding the Fourth Proportional to 91,756,823.20, 137,794,667.10 and 48,710,102.20

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Solution

The fourth proportional to 91,756,823.20, 137,794,667.10 and 48,710,102.20 is: 73,149,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,756,823.20 : 137,794,667.10 = 48,710,102.20 : x
  2. Step 2: Convert to fraction form
    91,756,823.20/137,794,667.10 = 48,710,102.20/x
  3. Step 3: Cross multiply
    91,756,823.20x = 137,794,667.10 × 48,710,102.20
  4. Step 4: Simplify right side
    91,756,823.20x = 6,711,992,317,055,978
  5. Step 5: Solve for x
    x = 6,711,992,317,055,978/91,756,823.20
  6. Step 6: Final answer
    x = 73,149,789.66

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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.