Home / 208,281,886.16-312,474,844.60-146,990,752.49

Finding the Fourth Proportional to 208,281,886.16, 312,474,844.60 and 146,990,752.49

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Solution

The fourth proportional to 208,281,886.16, 312,474,844.60 and 146,990,752.49 is: 220,522,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,281,886.16 : 312,474,844.60 = 146,990,752.49 : x
  2. Step 2: Convert to fraction form
    208,281,886.16/312,474,844.60 = 146,990,752.49/x
  3. Step 3: Cross multiply
    208,281,886.16x = 312,474,844.60 × 146,990,752.49
  4. Step 4: Simplify right side
    208,281,886.16x = 45,930,912,542,363,528
  5. Step 5: Solve for x
    x = 45,930,912,542,363,528/208,281,886.16
  6. Step 6: Final answer
    x = 220,522,837.54

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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.