Home / 86,301,738.81-129,451,721.05-49,886,958.42

Finding the Fourth Proportional to 86,301,738.81, 129,451,721.05 and 49,886,958.42

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Solution

The fourth proportional to 86,301,738.81, 129,451,721.05 and 49,886,958.42 is: 74,829,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,738.81 : 129,451,721.05 = 49,886,958.42 : x
  2. Step 2: Convert to fraction form
    86,301,738.81/129,451,721.05 = 49,886,958.42/x
  3. Step 3: Cross multiply
    86,301,738.81x = 129,451,721.05 × 49,886,958.42
  4. Step 4: Simplify right side
    86,301,738.81x = 6,457,952,625,418,789
  5. Step 5: Solve for x
    x = 6,457,952,625,418,789/86,301,738.81
  6. Step 6: Final answer
    x = 74,829,924.80

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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.