Home / 79,046,139.09-118,609,741.95-38,140,463.73

Finding the Fourth Proportional to 79,046,139.09, 118,609,741.95 and 38,140,463.73

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Solution

The fourth proportional to 79,046,139.09, 118,609,741.95 and 38,140,463.73 is: 57,230,253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,139.09 : 118,609,741.95 = 38,140,463.73 : x
  2. Step 2: Convert to fraction form
    79,046,139.09/118,609,741.95 = 38,140,463.73/x
  3. Step 3: Cross multiply
    79,046,139.09x = 118,609,741.95 × 38,140,463.73
  4. Step 4: Simplify right side
    79,046,139.09x = 4,523,830,560,868,634
  5. Step 5: Solve for x
    x = 4,523,830,560,868,634/79,046,139.09
  6. Step 6: Final answer
    x = 57,230,253.28

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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.