Home / 79,178,924.17-109,228,086.75-68,710,247.20

Finding the Fourth Proportional to 79,178,924.17, 109,228,086.75 and 68,710,247.20

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Solution

The fourth proportional to 79,178,924.17, 109,228,086.75 and 68,710,247.20 is: 94,786,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178,924.17 : 109,228,086.75 = 68,710,247.20 : x
  2. Step 2: Convert to fraction form
    79,178,924.17/109,228,086.75 = 68,710,247.20/x
  3. Step 3: Cross multiply
    79,178,924.17x = 109,228,086.75 × 68,710,247.20
  4. Step 4: Simplify right side
    79,178,924.17x = 7,505,088,841,775,545
  5. Step 5: Solve for x
    x = 7,505,088,841,775,545/79,178,924.17
  6. Step 6: Final answer
    x = 94,786,446.27

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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.