Home / 217,671,257.25-300,386,335.05-119,886,113.25

Finding the Fourth Proportional to 217,671,257.25, 300,386,335.05 and 119,886,113.25

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Solution

The fourth proportional to 217,671,257.25, 300,386,335.05 and 119,886,113.25 is: 165,442,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,671,257.25 : 300,386,335.05 = 119,886,113.25 : x
  2. Step 2: Convert to fraction form
    217,671,257.25/300,386,335.05 = 119,886,113.25/x
  3. Step 3: Cross multiply
    217,671,257.25x = 300,386,335.05 × 119,886,113.25
  4. Step 4: Simplify right side
    217,671,257.25x = 36,012,150,182,556,744
  5. Step 5: Solve for x
    x = 36,012,150,182,556,744/217,671,257.25
  6. Step 6: Final answer
    x = 165,442,836.31

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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.