Home / 108,639,607.20-162,959,410.80-74,202,230.40

Finding the Fourth Proportional to 108,639,607.20, 162,959,410.80 and 74,202,230.40

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Solution

The fourth proportional to 108,639,607.20, 162,959,410.80 and 74,202,230.40 is: 111,303,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,639,607.20 : 162,959,410.80 = 74,202,230.40 : x
  2. Step 2: Convert to fraction form
    108,639,607.20/162,959,410.80 = 74,202,230.40/x
  3. Step 3: Cross multiply
    108,639,607.20x = 162,959,410.80 × 74,202,230.40
  4. Step 4: Simplify right side
    108,639,607.20x = 12,091,951,746,029,850
  5. Step 5: Solve for x
    x = 12,091,951,746,029,850/108,639,607.20
  6. Step 6: Final answer
    x = 111,303,345.60

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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.