Home / 314,928,003.45-472,392,005.18-84,920,338.65

Finding the Fourth Proportional to 314,928,003.45, 472,392,005.18 and 84,920,338.65

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Solution

The fourth proportional to 314,928,003.45, 472,392,005.18 and 84,920,338.65 is: 127,380,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,003.45 : 472,392,005.18 = 84,920,338.65 : x
  2. Step 2: Convert to fraction form
    314,928,003.45/472,392,005.18 = 84,920,338.65/x
  3. Step 3: Cross multiply
    314,928,003.45x = 472,392,005.18 × 84,920,338.65
  4. Step 4: Simplify right side
    314,928,003.45x = 40,115,689,055,438,160
  5. Step 5: Solve for x
    x = 40,115,689,055,438,160/314,928,003.45
  6. Step 6: Final answer
    x = 127,380,507.98

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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.