Home / 142,954,750.13-214,522,820.69-61,074,245.30

Finding the Fourth Proportional to 142,954,750.13, 214,522,820.69 and 61,074,245.30

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Solution

The fourth proportional to 142,954,750.13, 214,522,820.69 and 61,074,245.30 is: 91,650,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954,750.13 : 214,522,820.69 = 61,074,245.30 : x
  2. Step 2: Convert to fraction form
    142,954,750.13/214,522,820.69 = 61,074,245.30/x
  3. Step 3: Cross multiply
    142,954,750.13x = 214,522,820.69 × 61,074,245.30
  4. Step 4: Simplify right side
    142,954,750.13x = 13,101,819,371,890,990
  5. Step 5: Solve for x
    x = 13,101,819,371,890,990/142,954,750.13
  6. Step 6: Final answer
    x = 91,650,115.58

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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.