Home / 240,216,827.92-331,490,338.32-130,206,178.96

Finding the Fourth Proportional to 240,216,827.92, 331,490,338.32 and 130,206,178.96

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Solution

The fourth proportional to 240,216,827.92, 331,490,338.32 and 130,206,178.96 is: 179,679,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,216,827.92 : 331,490,338.32 = 130,206,178.96 : x
  2. Step 2: Convert to fraction form
    240,216,827.92/331,490,338.32 = 130,206,178.96/x
  3. Step 3: Cross multiply
    240,216,827.92x = 331,490,338.32 × 130,206,178.96
  4. Step 4: Simplify right side
    240,216,827.92x = 43,162,090,314,804,864
  5. Step 5: Solve for x
    x = 43,162,090,314,804,864/240,216,827.92
  6. Step 6: Final answer
    x = 179,679,711.40

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1.5x scale

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.