Home / 312,175,134.27-468,109,473.48-154,425,886.08

Finding the Fourth Proportional to 312,175,134.27, 468,109,473.48 and 154,425,886.08

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Solution

The fourth proportional to 312,175,134.27, 468,109,473.48 and 154,425,886.08 is: 231,563,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,175,134.27 : 468,109,473.48 = 154,425,886.08 : x
  2. Step 2: Convert to fraction form
    312,175,134.27/468,109,473.48 = 154,425,886.08/x
  3. Step 3: Cross multiply
    312,175,134.27x = 468,109,473.48 × 154,425,886.08
  4. Step 4: Simplify right side
    312,175,134.27x = 72,288,220,224,591,264
  5. Step 5: Solve for x
    x = 72,288,220,224,591,264/312,175,134.27
  6. Step 6: Final answer
    x = 231,563,030.78

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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.