Home / 91,584,089.40-137,334,143.70-40,439,782.20

Finding the Fourth Proportional to 91,584,089.40, 137,334,143.70 and 40,439,782.20

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Solution

The fourth proportional to 91,584,089.40, 137,334,143.70 and 40,439,782.20 is: 60,641,132.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,089.40 : 137,334,143.70 = 40,439,782.20 : x
  2. Step 2: Convert to fraction form
    91,584,089.40/137,334,143.70 = 40,439,782.20/x
  3. Step 3: Cross multiply
    91,584,089.40x = 137,334,143.70 × 40,439,782.20
  4. Step 4: Simplify right side
    91,584,089.40x = 5,553,762,859,851,502
  5. Step 5: Solve for x
    x = 5,553,762,859,851,502/91,584,089.40
  6. Step 6: Final answer
    x = 60,641,132.06

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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.