Home / 77,995,018.80-107,745,238.68-62,293,428.37

Finding the Fourth Proportional to 77,995,018.80, 107,745,238.68 and 62,293,428.37

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Solution

The fourth proportional to 77,995,018.80, 107,745,238.68 and 62,293,428.37 is: 86,054,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,018.80 : 107,745,238.68 = 62,293,428.37 : x
  2. Step 2: Convert to fraction form
    77,995,018.80/107,745,238.68 = 62,293,428.37/x
  3. Step 3: Cross multiply
    77,995,018.80x = 107,745,238.68 × 62,293,428.37
  4. Step 4: Simplify right side
    77,995,018.80x = 6,711,820,307,382,408
  5. Step 5: Solve for x
    x = 6,711,820,307,382,408/77,995,018.80
  6. Step 6: Final answer
    x = 86,054,473.88

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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.