Home / 91,584,664.40-137,376,996.60-90,946,935.20

Finding the Fourth Proportional to 91,584,664.40, 137,376,996.60 and 90,946,935.20

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Solution

The fourth proportional to 91,584,664.40, 137,376,996.60 and 90,946,935.20 is: 136,420,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,664.40 : 137,376,996.60 = 90,946,935.20 : x
  2. Step 2: Convert to fraction form
    91,584,664.40/137,376,996.60 = 90,946,935.20/x
  3. Step 3: Cross multiply
    91,584,664.40x = 137,376,996.60 × 90,946,935.20
  4. Step 4: Simplify right side
    91,584,664.40x = 12,494,016,807,750,820
  5. Step 5: Solve for x
    x = 12,494,016,807,750,820/91,584,664.40
  6. Step 6: Final answer
    x = 136,420,402.80

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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.