Home / 112,015,078.60-168,022,617.90-65,909,619.40

Finding the Fourth Proportional to 112,015,078.60, 168,022,617.90 and 65,909,619.40

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Solution

The fourth proportional to 112,015,078.60, 168,022,617.90 and 65,909,619.40 is: 98,864,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,078.60 : 168,022,617.90 = 65,909,619.40 : x
  2. Step 2: Convert to fraction form
    112,015,078.60/168,022,617.90 = 65,909,619.40/x
  3. Step 3: Cross multiply
    112,015,078.60x = 168,022,617.90 × 65,909,619.40
  4. Step 4: Simplify right side
    112,015,078.60x = 11,074,306,796,380,628
  5. Step 5: Solve for x
    x = 11,074,306,796,380,628/112,015,078.60
  6. Step 6: Final answer
    x = 98,864,429.10

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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.