Home / 137,700,856.80-206,566,428.96-45,551,018.88

Finding the Fourth Proportional to 137,700,856.80, 206,566,428.96 and 45,551,018.88

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Solution

The fourth proportional to 137,700,856.80, 206,566,428.96 and 45,551,018.88 is: 68,331,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,700,856.80 : 206,566,428.96 = 45,551,018.88 : x
  2. Step 2: Convert to fraction form
    137,700,856.80/206,566,428.96 = 45,551,018.88/x
  3. Step 3: Cross multiply
    137,700,856.80x = 206,566,428.96 × 45,551,018.88
  4. Step 4: Simplify right side
    137,700,856.80x = 9,409,311,305,531,140
  5. Step 5: Solve for x
    x = 9,409,311,305,531,140/137,700,856.80
  6. Step 6: Final answer
    x = 68,331,537.83

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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.