Home / 272,914,009.40-409,371,014.10-243,436,748.60

Finding the Fourth Proportional to 272,914,009.40, 409,371,014.10 and 243,436,748.60

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Solution

The fourth proportional to 272,914,009.40, 409,371,014.10 and 243,436,748.60 is: 365,155,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,914,009.40 : 409,371,014.10 = 243,436,748.60 : x
  2. Step 2: Convert to fraction form
    272,914,009.40/409,371,014.10 = 243,436,748.60/x
  3. Step 3: Cross multiply
    272,914,009.40x = 409,371,014.10 × 243,436,748.60
  4. Step 4: Simplify right side
    272,914,009.40x = 99,655,948,643,588,752
  5. Step 5: Solve for x
    x = 99,655,948,643,588,752/272,914,009.40
  6. Step 6: Final answer
    x = 365,155,122.90

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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.