Home / 77,654,797.46-107,165,863.51-42,849,729.26

Finding the Fourth Proportional to 77,654,797.46, 107,165,863.51 and 42,849,729.26

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Solution

The fourth proportional to 77,654,797.46, 107,165,863.51 and 42,849,729.26 is: 59,133,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,654,797.46 : 107,165,863.51 = 42,849,729.26 : x
  2. Step 2: Convert to fraction form
    77,654,797.46/107,165,863.51 = 42,849,729.26/x
  3. Step 3: Cross multiply
    77,654,797.46x = 107,165,863.51 × 42,849,729.26
  4. Step 4: Simplify right side
    77,654,797.46x = 4,592,028,236,674,660
  5. Step 5: Solve for x
    x = 4,592,028,236,674,660/77,654,797.46
  6. Step 6: Final answer
    x = 59,133,864.06

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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.