Home / 86,262,344-118,944,990.24-70,532,290.88

Finding the Fourth Proportional to 86,262,344, 118,944,990.24 and 70,532,290.88

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Solution

The fourth proportional to 86,262,344, 118,944,990.24 and 70,532,290.88 is: 97,255,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262,344 : 118,944,990.24 = 70,532,290.88 : x
  2. Step 2: Convert to fraction form
    86,262,344/118,944,990.24 = 70,532,290.88/x
  3. Step 3: Cross multiply
    86,262,344x = 118,944,990.24 × 70,532,290.88
  4. Step 4: Simplify right side
    86,262,344x = 8,389,462,650,326,440
  5. Step 5: Solve for x
    x = 8,389,462,650,326,440/86,262,344
  6. Step 6: Final answer
    x = 97,255,213.12

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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.