Home / 91,740,446.64-137,658,647.28-37,158,798.78

Finding the Fourth Proportional to 91,740,446.64, 137,658,647.28 and 37,158,798.78

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Solution

The fourth proportional to 91,740,446.64, 137,658,647.28 and 37,158,798.78 is: 55,757,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740,446.64 : 137,658,647.28 = 37,158,798.78 : x
  2. Step 2: Convert to fraction form
    91,740,446.64/137,658,647.28 = 37,158,798.78/x
  3. Step 3: Cross multiply
    91,740,446.64x = 137,658,647.28 × 37,158,798.78
  4. Step 4: Simplify right side
    91,740,446.64x = 5,115,229,974,604,515
  5. Step 5: Solve for x
    x = 5,115,229,974,604,515/91,740,446.64
  6. Step 6: Final answer
    x = 55,757,631.03

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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.