Home / 77,168,123.76-115,727,797.50-25,344,188.10

Finding the Fourth Proportional to 77,168,123.76, 115,727,797.50 and 25,344,188.10

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Solution

The fourth proportional to 77,168,123.76, 115,727,797.50 and 25,344,188.10 is: 38,008,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,168,123.76 : 115,727,797.50 = 25,344,188.10 : x
  2. Step 2: Convert to fraction form
    77,168,123.76/115,727,797.50 = 25,344,188.10/x
  3. Step 3: Cross multiply
    77,168,123.76x = 115,727,797.50 × 25,344,188.10
  4. Step 4: Simplify right side
    77,168,123.76x = 2,933,027,068,238,710
  5. Step 5: Solve for x
    x = 2,933,027,068,238,710/77,168,123.76
  6. Step 6: Final answer
    x = 38,008,272.40

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1.5x scale

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.