Home / 112,015,077.10-168,022,615.65-65,909,617.90

Finding the Fourth Proportional to 112,015,077.10, 168,022,615.65 and 65,909,617.90

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Solution

The fourth proportional to 112,015,077.10, 168,022,615.65 and 65,909,617.90 is: 98,864,426.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,077.10 : 168,022,615.65 = 65,909,617.90 : x
  2. Step 2: Convert to fraction form
    112,015,077.10/168,022,615.65 = 65,909,617.90/x
  3. Step 3: Cross multiply
    112,015,077.10x = 168,022,615.65 × 65,909,617.90
  4. Step 4: Simplify right side
    112,015,077.10x = 11,074,306,396,050,060
  5. Step 5: Solve for x
    x = 11,074,306,396,050,060/112,015,077.10
  6. Step 6: Final answer
    x = 98,864,426.85

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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.