Home / 340,149,475.20-510,174,446.40-97,787,107.20

Finding the Fourth Proportional to 340,149,475.20, 510,174,446.40 and 97,787,107.20

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Solution

The fourth proportional to 340,149,475.20, 510,174,446.40 and 97,787,107.20 is: 146,666,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,149,475.20 : 510,174,446.40 = 97,787,107.20 : x
  2. Step 2: Convert to fraction form
    340,149,475.20/510,174,446.40 = 97,787,107.20/x
  3. Step 3: Cross multiply
    340,149,475.20x = 510,174,446.40 × 97,787,107.20
  4. Step 4: Simplify right side
    340,149,475.20x = 49,888,483,280,817,456
  5. Step 5: Solve for x
    x = 49,888,483,280,817,456/340,149,475.20
  6. Step 6: Final answer
    x = 146,666,353.82

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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.