Home / 72,427,052.10-108,640,578.15-38,414,828.10

Finding the Fourth Proportional to 72,427,052.10, 108,640,578.15 and 38,414,828.10

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Solution

The fourth proportional to 72,427,052.10, 108,640,578.15 and 38,414,828.10 is: 57,622,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,052.10 : 108,640,578.15 = 38,414,828.10 : x
  2. Step 2: Convert to fraction form
    72,427,052.10/108,640,578.15 = 38,414,828.10/x
  3. Step 3: Cross multiply
    72,427,052.10x = 108,640,578.15 × 38,414,828.10
  4. Step 4: Simplify right side
    72,427,052.10x = 4,173,409,134,316,866.50
  5. Step 5: Solve for x
    x = 4,173,409,134,316,866.50/72,427,052.10
  6. Step 6: Final answer
    x = 57,622,242.15

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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.