Home / 261,322,580.52-391,983,870.69-97,573,125.06

Finding the Fourth Proportional to 261,322,580.52, 391,983,870.69 and 97,573,125.06

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Solution

The fourth proportional to 261,322,580.52, 391,983,870.69 and 97,573,125.06 is: 146,359,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,322,580.52 : 391,983,870.69 = 97,573,125.06 : x
  2. Step 2: Convert to fraction form
    261,322,580.52/391,983,870.69 = 97,573,125.06/x
  3. Step 3: Cross multiply
    261,322,580.52x = 391,983,870.69 × 97,573,125.06
  4. Step 4: Simplify right side
    261,322,580.52x = 38,247,091,236,338,240
  5. Step 5: Solve for x
    x = 38,247,091,236,338,240/261,322,580.52
  6. Step 6: Final answer
    x = 146,359,687.56

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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.