Home / 77,281,967.09-115,934,428.29-25,456,997.15

Finding the Fourth Proportional to 77,281,967.09, 115,934,428.29 and 25,456,997.15

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Solution

The fourth proportional to 77,281,967.09, 115,934,428.29 and 25,456,997.15 is: 38,189,276.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,281,967.09 : 115,934,428.29 = 25,456,997.15 : x
  2. Step 2: Convert to fraction form
    77,281,967.09/115,934,428.29 = 25,456,997.15/x
  3. Step 3: Cross multiply
    77,281,967.09x = 115,934,428.29 × 25,456,997.15
  4. Step 4: Simplify right side
    77,281,967.09x = 2,951,342,410,565,409.50
  5. Step 5: Solve for x
    x = 2,951,342,410,565,409.50/77,281,967.09
  6. Step 6: Final answer
    x = 38,189,276.51

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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.