Home / 86,162,761-118,888,348.08-51,358,689.91

Finding the Fourth Proportional to 86,162,761, 118,888,348.08 and 51,358,689.91

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Solution

The fourth proportional to 86,162,761, 118,888,348.08 and 51,358,689.91 is: 70,865,298.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,162,761 : 118,888,348.08 = 51,358,689.91 : x
  2. Step 2: Convert to fraction form
    86,162,761/118,888,348.08 = 51,358,689.91/x
  3. Step 3: Cross multiply
    86,162,761x = 118,888,348.08 × 51,358,689.91
  4. Step 4: Simplify right side
    86,162,761x = 6,105,949,802,952,863
  5. Step 5: Solve for x
    x = 6,105,949,802,952,863/86,162,761
  6. Step 6: Final answer
    x = 70,865,298.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.