Home / 353,376,251.10-530,064,376.65-137,965,499.10

Finding the Fourth Proportional to 353,376,251.10, 530,064,376.65 and 137,965,499.10

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Solution

The fourth proportional to 353,376,251.10, 530,064,376.65 and 137,965,499.10 is: 206,948,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,251.10 : 530,064,376.65 = 137,965,499.10 : x
  2. Step 2: Convert to fraction form
    353,376,251.10/530,064,376.65 = 137,965,499.10/x
  3. Step 3: Cross multiply
    353,376,251.10x = 530,064,376.65 × 137,965,499.10
  4. Step 4: Simplify right side
    353,376,251.10x = 73,130,596,279,647,632
  5. Step 5: Solve for x
    x = 73,130,596,279,647,632/353,376,251.10
  6. Step 6: Final answer
    x = 206,948,248.65

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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.