Home / 98,328,426.39-135,693,235.13-54,275,436.32

Finding the Fourth Proportional to 98,328,426.39, 135,693,235.13 and 54,275,436.32

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Solution

The fourth proportional to 98,328,426.39, 135,693,235.13 and 54,275,436.32 is: 74,900,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,328,426.39 : 135,693,235.13 = 54,275,436.32 : x
  2. Step 2: Convert to fraction form
    98,328,426.39/135,693,235.13 = 54,275,436.32/x
  3. Step 3: Cross multiply
    98,328,426.39x = 135,693,235.13 × 54,275,436.32
  4. Step 4: Simplify right side
    98,328,426.39x = 7,364,809,541,403,258
  5. Step 5: Solve for x
    x = 7,364,809,541,403,258/98,328,426.39
  6. Step 6: Final answer
    x = 74,900,105.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.