Home / 74,814,648.28-112,122,763.62-38,421,568.60

Finding the Fourth Proportional to 74,814,648.28, 112,122,763.62 and 38,421,568.60

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Solution

The fourth proportional to 74,814,648.28, 112,122,763.62 and 38,421,568.60 is: 57,581,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,814,648.28 : 112,122,763.62 = 38,421,568.60 : x
  2. Step 2: Convert to fraction form
    74,814,648.28/112,122,763.62 = 38,421,568.60/x
  3. Step 3: Cross multiply
    74,814,648.28x = 112,122,763.62 × 38,421,568.60
  4. Step 4: Simplify right side
    74,814,648.28x = 4,307,932,454,047,414.50
  5. Step 5: Solve for x
    x = 4,307,932,454,047,414.50/74,814,648.28
  6. Step 6: Final answer
    x = 57,581,403.55

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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.