Home / 71,250,766.56-98,325,647.28-38,655,018.72

Finding the Fourth Proportional to 71,250,766.56, 98,325,647.28 and 38,655,018.72

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Solution

The fourth proportional to 71,250,766.56, 98,325,647.28 and 38,655,018.72 is: 53,343,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,250,766.56 : 98,325,647.28 = 38,655,018.72 : x
  2. Step 2: Convert to fraction form
    71,250,766.56/98,325,647.28 = 38,655,018.72/x
  3. Step 3: Cross multiply
    71,250,766.56x = 98,325,647.28 × 38,655,018.72
  4. Step 4: Simplify right side
    71,250,766.56x = 3,800,779,736,264,517
  5. Step 5: Solve for x
    x = 3,800,779,736,264,517/71,250,766.56
  6. Step 6: Final answer
    x = 53,343,703.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.