Home / 112,539,268.32-168,785,282.88-31,741,340.64

Finding the Fourth Proportional to 112,539,268.32, 168,785,282.88 and 31,741,340.64

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Solution

The fourth proportional to 112,539,268.32, 168,785,282.88 and 31,741,340.64 is: 47,605,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,539,268.32 : 168,785,282.88 = 31,741,340.64 : x
  2. Step 2: Convert to fraction form
    112,539,268.32/168,785,282.88 = 31,741,340.64/x
  3. Step 3: Cross multiply
    112,539,268.32x = 168,785,282.88 × 31,741,340.64
  4. Step 4: Simplify right side
    112,539,268.32x = 5,357,471,158,912,840
  5. Step 5: Solve for x
    x = 5,357,471,158,912,840/112,539,268.32
  6. Step 6: Final answer
    x = 47,605,349.13

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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.