Home / 74,657,200.85-111,985,801.28-20,804,512.85

Finding the Fourth Proportional to 74,657,200.85, 111,985,801.28 and 20,804,512.85

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Solution

The fourth proportional to 74,657,200.85, 111,985,801.28 and 20,804,512.85 is: 31,206,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,657,200.85 : 111,985,801.28 = 20,804,512.85 : x
  2. Step 2: Convert to fraction form
    74,657,200.85/111,985,801.28 = 20,804,512.85/x
  3. Step 3: Cross multiply
    74,657,200.85x = 111,985,801.28 × 20,804,512.85
  4. Step 4: Simplify right side
    74,657,200.85x = 2,329,810,041,643,284
  5. Step 5: Solve for x
    x = 2,329,810,041,643,284/74,657,200.85
  6. Step 6: Final answer
    x = 31,206,769.28

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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.