Home / 247,444,401.20-371,072,123.40-74,863,857.20

Finding the Fourth Proportional to 247,444,401.20, 371,072,123.40 and 74,863,857.20

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Solution

The fourth proportional to 247,444,401.20, 371,072,123.40 and 74,863,857.20 is: 112,267,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,444,401.20 : 371,072,123.40 = 74,863,857.20 : x
  2. Step 2: Convert to fraction form
    247,444,401.20/371,072,123.40 = 74,863,857.20/x
  3. Step 3: Cross multiply
    247,444,401.20x = 371,072,123.40 × 74,863,857.20
  4. Step 4: Simplify right side
    247,444,401.20x = 27,779,890,457,118,376
  5. Step 5: Solve for x
    x = 27,779,890,457,118,376/247,444,401.20
  6. Step 6: Final answer
    x = 112,267,201.53

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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.