Home / 77,064,824.88-115,516,317.96-25,929,090.72

Finding the Fourth Proportional to 77,064,824.88, 115,516,317.96 and 25,929,090.72

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Solution

The fourth proportional to 77,064,824.88, 115,516,317.96 and 25,929,090.72 is: 38,866,410.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,064,824.88 : 115,516,317.96 = 25,929,090.72 : x
  2. Step 2: Convert to fraction form
    77,064,824.88/115,516,317.96 = 25,929,090.72/x
  3. Step 3: Cross multiply
    77,064,824.88x = 115,516,317.96 × 25,929,090.72
  4. Step 4: Simplify right side
    77,064,824.88x = 2,995,233,088,025,205
  5. Step 5: Solve for x
    x = 2,995,233,088,025,205/77,064,824.88
  6. Step 6: Final answer
    x = 38,866,410.10

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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.