Home / 312,175,125.45-468,109,460.25-154,425,877.27

Finding the Fourth Proportional to 312,175,125.45, 468,109,460.25 and 154,425,877.27

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Solution

The fourth proportional to 312,175,125.45, 468,109,460.25 and 154,425,877.27 is: 231,563,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,175,125.45 : 468,109,460.25 = 154,425,877.27 : x
  2. Step 2: Convert to fraction form
    312,175,125.45/468,109,460.25 = 154,425,877.27/x
  3. Step 3: Cross multiply
    312,175,125.45x = 468,109,460.25 × 154,425,877.27
  4. Step 4: Simplify right side
    312,175,125.45x = 72,288,214,055,879,440
  5. Step 5: Solve for x
    x = 72,288,214,055,879,440/312,175,125.45
  6. Step 6: Final answer
    x = 231,563,017.56

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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.