Home / 77,995,459.65-107,632,418.91-43,187,402.75

Finding the Fourth Proportional to 77,995,459.65, 107,632,418.91 and 43,187,402.75

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Solution

The fourth proportional to 77,995,459.65, 107,632,418.91 and 43,187,402.75 is: 59,597,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,459.65 : 107,632,418.91 = 43,187,402.75 : x
  2. Step 2: Convert to fraction form
    77,995,459.65/107,632,418.91 = 43,187,402.75/x
  3. Step 3: Cross multiply
    77,995,459.65x = 107,632,418.91 × 43,187,402.75
  4. Step 4: Simplify right side
    77,995,459.65x = 4,648,364,624,422,886
  5. Step 5: Solve for x
    x = 4,648,364,624,422,886/77,995,459.65
  6. Step 6: Final answer
    x = 59,597,887.43

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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.