Home / 112,015,080.10-168,022,620.15-65,909,620.90

Finding the Fourth Proportional to 112,015,080.10, 168,022,620.15 and 65,909,620.90

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Solution

The fourth proportional to 112,015,080.10, 168,022,620.15 and 65,909,620.90 is: 98,864,431.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,080.10 : 168,022,620.15 = 65,909,620.90 : x
  2. Step 2: Convert to fraction form
    112,015,080.10/168,022,620.15 = 65,909,620.90/x
  3. Step 3: Cross multiply
    112,015,080.10x = 168,022,620.15 × 65,909,620.90
  4. Step 4: Simplify right side
    112,015,080.10x = 11,074,307,196,711,202
  5. Step 5: Solve for x
    x = 11,074,307,196,711,202/112,015,080.10
  6. Step 6: Final answer
    x = 98,864,431.35

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1.5x scale

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.