Home / 65,448,010.60-98,172,015.90-31,351,805.80

Finding the Fourth Proportional to 65,448,010.60, 98,172,015.90 and 31,351,805.80

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Solution

The fourth proportional to 65,448,010.60, 98,172,015.90 and 31,351,805.80 is: 47,027,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,010.60 : 98,172,015.90 = 31,351,805.80 : x
  2. Step 2: Convert to fraction form
    65,448,010.60/98,172,015.90 = 31,351,805.80/x
  3. Step 3: Cross multiply
    65,448,010.60x = 98,172,015.90 × 31,351,805.80
  4. Step 4: Simplify right side
    65,448,010.60x = 3,077,869,977,491,312.50
  5. Step 5: Solve for x
    x = 3,077,869,977,491,312.50/65,448,010.60
  6. Step 6: Final answer
    x = 47,027,708.70

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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.