Home / 91,856,468.70-137,784,703.05-40,838,132.70

Finding the Fourth Proportional to 91,856,468.70, 137,784,703.05 and 40,838,132.70

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Solution

The fourth proportional to 91,856,468.70, 137,784,703.05 and 40,838,132.70 is: 61,257,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,468.70 : 137,784,703.05 = 40,838,132.70 : x
  2. Step 2: Convert to fraction form
    91,856,468.70/137,784,703.05 = 40,838,132.70/x
  3. Step 3: Cross multiply
    91,856,468.70x = 137,784,703.05 × 40,838,132.70
  4. Step 4: Simplify right side
    91,856,468.70x = 5,626,869,987,185,996
  5. Step 5: Solve for x
    x = 5,626,869,987,185,996/91,856,468.70
  6. Step 6: Final answer
    x = 61,257,199.05

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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.