Home / 79,746,531.64-119,619,797.52-19,162,257.64

Finding the Fourth Proportional to 79,746,531.64, 119,619,797.52 and 19,162,257.64

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Solution

The fourth proportional to 79,746,531.64, 119,619,797.52 and 19,162,257.64 is: 28,743,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,531.64 : 119,619,797.52 = 19,162,257.64 : x
  2. Step 2: Convert to fraction form
    79,746,531.64/119,619,797.52 = 19,162,257.64/x
  3. Step 3: Cross multiply
    79,746,531.64x = 119,619,797.52 × 19,162,257.64
  4. Step 4: Simplify right side
    79,746,531.64x = 2,292,185,379,536,729
  5. Step 5: Solve for x
    x = 2,292,185,379,536,729/79,746,531.64
  6. Step 6: Final answer
    x = 28,743,386.48

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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.