Home / 312,693,785.64-469,112,737.14-108,221,863.32

Finding the Fourth Proportional to 312,693,785.64, 469,112,737.14 and 108,221,863.32

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Solution

The fourth proportional to 312,693,785.64, 469,112,737.14 and 108,221,863.32 is: 162,357,734.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,693,785.64 : 469,112,737.14 = 108,221,863.32 : x
  2. Step 2: Convert to fraction form
    312,693,785.64/469,112,737.14 = 108,221,863.32/x
  3. Step 3: Cross multiply
    312,693,785.64x = 469,112,737.14 × 108,221,863.32
  4. Step 4: Simplify right side
    312,693,785.64x = 50,768,254,520,436,160
  5. Step 5: Solve for x
    x = 50,768,254,520,436,160/312,693,785.64
  6. Step 6: Final answer
    x = 162,357,734.15

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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.