Home / 74,657,266.10-111,985,899.15-20,804,578.10

Finding the Fourth Proportional to 74,657,266.10, 111,985,899.15 and 20,804,578.10

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Solution

The fourth proportional to 74,657,266.10, 111,985,899.15 and 20,804,578.10 is: 31,206,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657,266.10 : 111,985,899.15 = 20,804,578.10 : x
  2. Step 2: Convert to fraction form
    74,657,266.10/111,985,899.15 = 20,804,578.10/x
  3. Step 3: Cross multiply
    74,657,266.10x = 111,985,899.15 × 20,804,578.10
  4. Step 4: Simplify right side
    74,657,266.10x = 2,329,819,384,964,899
  5. Step 5: Solve for x
    x = 2,329,819,384,964,899/74,657,266.10
  6. Step 6: Final answer
    x = 31,206,867.15

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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.