Home / 90,956,754.79-136,435,116.61-28,751,736.20

Finding the Fourth Proportional to 90,956,754.79, 136,435,116.61 and 28,751,736.20

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Solution

The fourth proportional to 90,956,754.79, 136,435,116.61 and 28,751,736.20 is: 43,127,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956,754.79 : 136,435,116.61 = 28,751,736.20 : x
  2. Step 2: Convert to fraction form
    90,956,754.79/136,435,116.61 = 28,751,736.20/x
  3. Step 3: Cross multiply
    90,956,754.79x = 136,435,116.61 × 28,751,736.20
  4. Step 4: Simplify right side
    90,956,754.79x = 3,922,746,480,432,903
  5. Step 5: Solve for x
    x = 3,922,746,480,432,903/90,956,754.79
  6. Step 6: Final answer
    x = 43,127,599.37

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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.