Home / 91,065,282.12-136,597,946.43-25,496,079.90

Finding the Fourth Proportional to 91,065,282.12, 136,597,946.43 and 25,496,079.90

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Solution

The fourth proportional to 91,065,282.12, 136,597,946.43 and 25,496,079.90 is: 38,244,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065,282.12 : 136,597,946.43 = 25,496,079.90 : x
  2. Step 2: Convert to fraction form
    91,065,282.12/136,597,946.43 = 25,496,079.90/x
  3. Step 3: Cross multiply
    91,065,282.12x = 136,597,946.43 × 25,496,079.90
  4. Step 4: Simplify right side
    91,065,282.12x = 3,482,712,156,355,199.50
  5. Step 5: Solve for x
    x = 3,482,712,156,355,199.50/91,065,282.12
  6. Step 6: Final answer
    x = 38,244,126.36

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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.