Home / 124,499,234.70-186,776,845.65-38,241,621.90

Finding the Fourth Proportional to 124,499,234.70, 186,776,845.65 and 38,241,621.90

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Solution

The fourth proportional to 124,499,234.70, 186,776,845.65 and 38,241,621.90 is: 57,371,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,499,234.70 : 186,776,845.65 = 38,241,621.90 : x
  2. Step 2: Convert to fraction form
    124,499,234.70/186,776,845.65 = 38,241,621.90/x
  3. Step 3: Cross multiply
    124,499,234.70x = 186,776,845.65 × 38,241,621.90
  4. Step 4: Simplify right side
    124,499,234.70x = 7,142,649,511,021,960
  5. Step 5: Solve for x
    x = 7,142,649,511,021,960/124,499,234.70
  6. Step 6: Final answer
    x = 57,371,031.46

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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.