Home / 91,506,444.53-126,278,434.50-49,690,136.30

Finding the Fourth Proportional to 91,506,444.53, 126,278,434.50 and 49,690,136.30

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Solution

The fourth proportional to 91,506,444.53, 126,278,434.50 and 49,690,136.30 is: 68,572,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,506,444.53 : 126,278,434.50 = 49,690,136.30 : x
  2. Step 2: Convert to fraction form
    91,506,444.53/126,278,434.50 = 49,690,136.30/x
  3. Step 3: Cross multiply
    91,506,444.53x = 126,278,434.50 × 49,690,136.30
  4. Step 4: Simplify right side
    91,506,444.53x = 6,274,792,621,424,230
  5. Step 5: Solve for x
    x = 6,274,792,621,424,230/91,506,444.53
  6. Step 6: Final answer
    x = 68,572,138.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.