Home / 159,562,710.30-239,356,507.05-68,689,263.90

Finding the Fourth Proportional to 159,562,710.30, 239,356,507.05 and 68,689,263.90

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Solution

The fourth proportional to 159,562,710.30, 239,356,507.05 and 68,689,263.90 is: 103,039,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,562,710.30 : 239,356,507.05 = 68,689,263.90 : x
  2. Step 2: Convert to fraction form
    159,562,710.30/239,356,507.05 = 68,689,263.90/x
  3. Step 3: Cross multiply
    159,562,710.30x = 239,356,507.05 × 68,689,263.90
  4. Step 4: Simplify right side
    159,562,710.30x = 16,441,222,278,939,662
  5. Step 5: Solve for x
    x = 16,441,222,278,939,662/159,562,710.30
  6. Step 6: Final answer
    x = 103,039,251.77

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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.