Home / 136,746,098.32-188,702,449.31-74,854,581.52

Finding the Fourth Proportional to 136,746,098.32, 188,702,449.31 and 74,854,581.52

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Solution

The fourth proportional to 136,746,098.32, 188,702,449.31 and 74,854,581.52 is: 103,295,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,746,098.32 : 188,702,449.31 = 74,854,581.52 : x
  2. Step 2: Convert to fraction form
    136,746,098.32/188,702,449.31 = 74,854,581.52/x
  3. Step 3: Cross multiply
    136,746,098.32x = 188,702,449.31 × 74,854,581.52
  4. Step 4: Simplify right side
    136,746,098.32x = 14,125,242,874,899,062
  5. Step 5: Solve for x
    x = 14,125,242,874,899,062/136,746,098.32
  6. Step 6: Final answer
    x = 103,295,399.64

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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.