Home / 77,168,117.75-115,727,788.53-25,344,182.07

Finding the Fourth Proportional to 77,168,117.75, 115,727,788.53 and 25,344,182.07

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Solution

The fourth proportional to 77,168,117.75, 115,727,788.53 and 25,344,182.07 is: 38,008,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,117.75 : 115,727,788.53 = 25,344,182.07 : x
  2. Step 2: Convert to fraction form
    77,168,117.75/115,727,788.53 = 25,344,182.07/x
  3. Step 3: Cross multiply
    77,168,117.75x = 115,727,788.53 × 25,344,182.07
  4. Step 4: Simplify right side
    77,168,117.75x = 2,933,026,143,062,777.50
  5. Step 5: Solve for x
    x = 2,933,026,143,062,777.50/77,168,117.75
  6. Step 6: Final answer
    x = 38,008,263.37

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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.