Home / 151,652,194.52-209,279,920.32-82,037,629.85

Finding the Fourth Proportional to 151,652,194.52, 209,279,920.32 and 82,037,629.85

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Solution

The fourth proportional to 151,652,194.52, 209,279,920.32 and 82,037,629.85 is: 113,211,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,652,194.52 : 209,279,920.32 = 82,037,629.85 : x
  2. Step 2: Convert to fraction form
    151,652,194.52/209,279,920.32 = 82,037,629.85/x
  3. Step 3: Cross multiply
    151,652,194.52x = 209,279,920.32 × 82,037,629.85
  4. Step 4: Simplify right side
    151,652,194.52x = 17,168,828,637,203,254
  5. Step 5: Solve for x
    x = 17,168,828,637,203,254/151,652,194.52
  6. Step 6: Final answer
    x = 113,211,870.70

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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.