Home / 112,015,202.10-168,022,803.15-65,909,742.90

Finding the Fourth Proportional to 112,015,202.10, 168,022,803.15 and 65,909,742.90

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Solution

The fourth proportional to 112,015,202.10, 168,022,803.15 and 65,909,742.90 is: 98,864,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,202.10 : 168,022,803.15 = 65,909,742.90 : x
  2. Step 2: Convert to fraction form
    112,015,202.10/168,022,803.15 = 65,909,742.90/x
  3. Step 3: Cross multiply
    112,015,202.10x = 168,022,803.15 × 65,909,742.90
  4. Step 4: Simplify right side
    112,015,202.10x = 11,074,339,756,953,810
  5. Step 5: Solve for x
    x = 11,074,339,756,953,810/112,015,202.10
  6. Step 6: Final answer
    x = 98,864,614.35

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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.