Home / 131,849,530.40-197,858,276.40-77,262,010.40

Finding the Fourth Proportional to 131,849,530.40, 197,858,276.40 and 77,262,010.40

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Solution

The fourth proportional to 131,849,530.40, 197,858,276.40 and 77,262,010.40 is: 115,942,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,849,530.40 : 197,858,276.40 = 77,262,010.40 : x
  2. Step 2: Convert to fraction form
    131,849,530.40/197,858,276.40 = 77,262,010.40/x
  3. Step 3: Cross multiply
    131,849,530.40x = 197,858,276.40 × 77,262,010.40
  4. Step 4: Simplify right side
    131,849,530.40x = 15,286,928,208,942,876
  5. Step 5: Solve for x
    x = 15,286,928,208,942,876/131,849,530.40
  6. Step 6: Final answer
    x = 115,942,227.19

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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.