Home / 291,346,204.20-437,019,306.30-199,513,199.40

Finding the Fourth Proportional to 291,346,204.20, 437,019,306.30 and 199,513,199.40

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Solution

The fourth proportional to 291,346,204.20, 437,019,306.30 and 199,513,199.40 is: 299,269,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,346,204.20 : 437,019,306.30 = 199,513,199.40 : x
  2. Step 2: Convert to fraction form
    291,346,204.20/437,019,306.30 = 199,513,199.40/x
  3. Step 3: Cross multiply
    291,346,204.20x = 437,019,306.30 × 199,513,199.40
  4. Step 4: Simplify right side
    291,346,204.20x = 87,191,119,999,481,584
  5. Step 5: Solve for x
    x = 87,191,119,999,481,584/291,346,204.20
  6. Step 6: Final answer
    x = 299,269,799.10

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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.