Home / 103,719,128.92-155,595,577.72-48,442,240.56

Finding the Fourth Proportional to 103,719,128.92, 155,595,577.72 and 48,442,240.56

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Solution

The fourth proportional to 103,719,128.92, 155,595,577.72 and 48,442,240.56 is: 72,671,246.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719,128.92 : 155,595,577.72 = 48,442,240.56 : x
  2. Step 2: Convert to fraction form
    103,719,128.92/155,595,577.72 = 48,442,240.56/x
  3. Step 3: Cross multiply
    103,719,128.92x = 155,595,577.72 × 48,442,240.56
  4. Step 4: Simplify right side
    103,719,128.92x = 7,537,398,405,984,417
  5. Step 5: Solve for x
    x = 7,537,398,405,984,417/103,719,128.92
  6. Step 6: Final answer
    x = 72,671,246.71

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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.