Home / 189,551,996.20-284,327,994.30-155,114,619.40

Finding the Fourth Proportional to 189,551,996.20, 284,327,994.30 and 155,114,619.40

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Solution

The fourth proportional to 189,551,996.20, 284,327,994.30 and 155,114,619.40 is: 232,671,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551,996.20 : 284,327,994.30 = 155,114,619.40 : x
  2. Step 2: Convert to fraction form
    189,551,996.20/284,327,994.30 = 155,114,619.40/x
  3. Step 3: Cross multiply
    189,551,996.20x = 284,327,994.30 × 155,114,619.40
  4. Step 4: Simplify right side
    189,551,996.20x = 44,103,428,620,609,872
  5. Step 5: Solve for x
    x = 44,103,428,620,609,872/189,551,996.20
  6. Step 6: Final answer
    x = 232,671,929.10

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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.