Home / 30,543,851.18-42,151,346.06-16,606,144.06

Finding the Fourth Proportional to 30,543,851.18, 42,151,346.06 and 16,606,144.06

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Solution

The fourth proportional to 30,543,851.18, 42,151,346.06 and 16,606,144.06 is: 22,916,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,851.18 : 42,151,346.06 = 16,606,144.06 : x
  2. Step 2: Convert to fraction form
    30,543,851.18/42,151,346.06 = 16,606,144.06/x
  3. Step 3: Cross multiply
    30,543,851.18x = 42,151,346.06 × 16,606,144.06
  4. Step 4: Simplify right side
    30,543,851.18x = 699,971,324,806,864.25
  5. Step 5: Solve for x
    x = 699,971,324,806,864.25/30,543,851.18
  6. Step 6: Final answer
    x = 22,916,930.83

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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.