Home / 131,604,015.68-197,092,695.45-76,154,960.69

Finding the Fourth Proportional to 131,604,015.68, 197,092,695.45 and 76,154,960.69

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Solution

The fourth proportional to 131,604,015.68, 197,092,695.45 and 76,154,960.69 is: 114,051,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,604,015.68 : 197,092,695.45 = 76,154,960.69 : x
  2. Step 2: Convert to fraction form
    131,604,015.68/197,092,695.45 = 76,154,960.69/x
  3. Step 3: Cross multiply
    131,604,015.68x = 197,092,695.45 × 76,154,960.69
  4. Step 4: Simplify right side
    131,604,015.68x = 15,009,586,474,868,816
  5. Step 5: Solve for x
    x = 15,009,586,474,868,816/131,604,015.68
  6. Step 6: Final answer
    x = 114,051,128.28

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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.