Home / 48,379,040.71-72,572,741.24-13,364,142.78

Finding the Fourth Proportional to 48,379,040.71, 72,572,741.24 and 13,364,142.78

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Solution

The fourth proportional to 48,379,040.71, 72,572,741.24 and 13,364,142.78 is: 20,047,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379,040.71 : 72,572,741.24 = 13,364,142.78 : x
  2. Step 2: Convert to fraction form
    48,379,040.71/72,572,741.24 = 13,364,142.78/x
  3. Step 3: Cross multiply
    48,379,040.71x = 72,572,741.24 × 13,364,142.78
  4. Step 4: Simplify right side
    48,379,040.71x = 969,872,476,072,681.25
  5. Step 5: Solve for x
    x = 969,872,476,072,681.25/48,379,040.71
  6. Step 6: Final answer
    x = 20,047,368.90

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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.