Home / 272,914,008.40-409,371,012.60-243,436,747.60

Finding the Fourth Proportional to 272,914,008.40, 409,371,012.60 and 243,436,747.60

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Solution

The fourth proportional to 272,914,008.40, 409,371,012.60 and 243,436,747.60 is: 365,155,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,914,008.40 : 409,371,012.60 = 243,436,747.60 : x
  2. Step 2: Convert to fraction form
    272,914,008.40/409,371,012.60 = 243,436,747.60/x
  3. Step 3: Cross multiply
    272,914,008.40x = 409,371,012.60 × 243,436,747.60
  4. Step 4: Simplify right side
    272,914,008.40x = 99,655,947,869,062,624
  5. Step 5: Solve for x
    x = 99,655,947,869,062,624/272,914,008.40
  6. Step 6: Final answer
    x = 365,155,121.40

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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.