Home / 230,195,591.40-317,810,691.54-149,804,186.52

Finding the Fourth Proportional to 230,195,591.40, 317,810,691.54 and 149,804,186.52

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Solution

The fourth proportional to 230,195,591.40, 317,810,691.54 and 149,804,186.52 is: 206,821,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,195,591.40 : 317,810,691.54 = 149,804,186.52 : x
  2. Step 2: Convert to fraction form
    230,195,591.40/317,810,691.54 = 149,804,186.52/x
  3. Step 3: Cross multiply
    230,195,591.40x = 317,810,691.54 × 149,804,186.52
  4. Step 4: Simplify right side
    230,195,591.40x = 47,609,372,113,508,352
  5. Step 5: Solve for x
    x = 47,609,372,113,508,352/230,195,591.40
  6. Step 6: Final answer
    x = 206,821,389.69

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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.