Home / 191,650,231.30-287,475,346.95-137,230,672.90

Finding the Fourth Proportional to 191,650,231.30, 287,475,346.95 and 137,230,672.90

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Solution

The fourth proportional to 191,650,231.30, 287,475,346.95 and 137,230,672.90 is: 205,846,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,650,231.30 : 287,475,346.95 = 137,230,672.90 : x
  2. Step 2: Convert to fraction form
    191,650,231.30/287,475,346.95 = 137,230,672.90/x
  3. Step 3: Cross multiply
    191,650,231.30x = 287,475,346.95 × 137,230,672.90
  4. Step 4: Simplify right side
    191,650,231.30x = 39,450,435,304,109,464
  5. Step 5: Solve for x
    x = 39,450,435,304,109,464/191,650,231.30
  6. Step 6: Final answer
    x = 205,846,009.35

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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.