Home / 206,785,422.80-310,178,134.20-191,001,625.10

Finding the Fourth Proportional to 206,785,422.80, 310,178,134.20 and 191,001,625.10

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Solution

The fourth proportional to 206,785,422.80, 310,178,134.20 and 191,001,625.10 is: 286,502,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,785,422.80 : 310,178,134.20 = 191,001,625.10 : x
  2. Step 2: Convert to fraction form
    206,785,422.80/310,178,134.20 = 191,001,625.10/x
  3. Step 3: Cross multiply
    206,785,422.80x = 310,178,134.20 × 191,001,625.10
  4. Step 4: Simplify right side
    206,785,422.80x = 59,244,527,702,685,888
  5. Step 5: Solve for x
    x = 59,244,527,702,685,888/206,785,422.80
  6. Step 6: Final answer
    x = 286,502,437.65

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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.