Home / 90,679,505.60-136,036,973.10-36,082,800.20

Finding the Fourth Proportional to 90,679,505.60, 136,036,973.10 and 36,082,800.20

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Solution

The fourth proportional to 90,679,505.60, 136,036,973.10 and 36,082,800.20 is: 54,131,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,679,505.60 : 136,036,973.10 = 36,082,800.20 : x
  2. Step 2: Convert to fraction form
    90,679,505.60/136,036,973.10 = 36,082,800.20/x
  3. Step 3: Cross multiply
    90,679,505.60x = 136,036,973.10 × 36,082,800.20
  4. Step 4: Simplify right side
    90,679,505.60x = 4,908,594,920,180,075
  5. Step 5: Solve for x
    x = 4,908,594,920,180,075/90,679,505.60
  6. Step 6: Final answer
    x = 54,131,249.26

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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.