Home / 71,830,636.28-99,126,277.77-38,790,883.56

Finding the Fourth Proportional to 71,830,636.28, 99,126,277.77 and 38,790,883.56

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Solution

The fourth proportional to 71,830,636.28, 99,126,277.77 and 38,790,883.56 is: 53,531,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,830,636.28 : 99,126,277.77 = 38,790,883.56 : x
  2. Step 2: Convert to fraction form
    71,830,636.28/99,126,277.77 = 38,790,883.56/x
  3. Step 3: Cross multiply
    71,830,636.28x = 99,126,277.77 × 38,790,883.56
  4. Step 4: Simplify right side
    71,830,636.28x = 3,845,195,899,229,476
  5. Step 5: Solve for x
    x = 3,845,195,899,229,476/71,830,636.28
  6. Step 6: Final answer
    x = 53,531,419.16

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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.