Home / 91,584,601.40-137,376,902.10-90,946,872.20

Finding the Fourth Proportional to 91,584,601.40, 137,376,902.10 and 90,946,872.20

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Solution

The fourth proportional to 91,584,601.40, 137,376,902.10 and 90,946,872.20 is: 136,420,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,584,601.40 : 137,376,902.10 = 90,946,872.20 : x
  2. Step 2: Convert to fraction form
    91,584,601.40/137,376,902.10 = 90,946,872.20/x
  3. Step 3: Cross multiply
    91,584,601.40x = 137,376,902.10 × 90,946,872.20
  4. Step 4: Simplify right side
    91,584,601.40x = 12,493,999,558,520,612
  5. Step 5: Solve for x
    x = 12,493,999,558,520,612/91,584,601.40
  6. Step 6: Final answer
    x = 136,420,308.30

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1.5x scale

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.