Home / 206,779,953.68-285,398,680.32-123,197,048

Finding the Fourth Proportional to 206,779,953.68, 285,398,680.32 and 123,197,048

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Solution

The fourth proportional to 206,779,953.68, 285,398,680.32 and 123,197,048 is: 170,037,154.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,779,953.68 : 285,398,680.32 = 123,197,048 : x
  2. Step 2: Convert to fraction form
    206,779,953.68/285,398,680.32 = 123,197,048/x
  3. Step 3: Cross multiply
    206,779,953.68x = 285,398,680.32 × 123,197,048
  4. Step 4: Simplify right side
    206,779,953.68x = 35,160,274,918,519,696
  5. Step 5: Solve for x
    x = 35,160,274,918,519,696/206,779,953.68
  6. Step 6: Final answer
    x = 170,037,154.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.