Home / 206,676,288.30-310,014,432.45-137,801,534.70

Finding the Fourth Proportional to 206,676,288.30, 310,014,432.45 and 137,801,534.70

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Solution

The fourth proportional to 206,676,288.30, 310,014,432.45 and 137,801,534.70 is: 206,702,302.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,676,288.30 : 310,014,432.45 = 137,801,534.70 : x
  2. Step 2: Convert to fraction form
    206,676,288.30/310,014,432.45 = 137,801,534.70/x
  3. Step 3: Cross multiply
    206,676,288.30x = 310,014,432.45 × 137,801,534.70
  4. Step 4: Simplify right side
    206,676,288.30x = 42,720,464,570,759,472
  5. Step 5: Solve for x
    x = 42,720,464,570,759,472/206,676,288.30
  6. Step 6: Final answer
    x = 206,702,302.05

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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.