Home / 77,064,897.96-115,516,427.10-25,929,163.88

Finding the Fourth Proportional to 77,064,897.96, 115,516,427.10 and 25,929,163.88

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Solution

The fourth proportional to 77,064,897.96, 115,516,427.10 and 25,929,163.88 is: 38,866,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,064,897.96 : 115,516,427.10 = 25,929,163.88 : x
  2. Step 2: Convert to fraction form
    77,064,897.96/115,516,427.10 = 25,929,163.88/x
  3. Step 3: Cross multiply
    77,064,897.96x = 115,516,427.10 × 25,929,163.88
  4. Step 4: Simplify right side
    77,064,897.96x = 2,995,244,369,107,973
  5. Step 5: Solve for x
    x = 2,995,244,369,107,973/77,064,897.96
  6. Step 6: Final answer
    x = 38,866,519.63

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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.