Home / 74,747,200.80-112,120,801.20-73,739,431.20

Finding the Fourth Proportional to 74,747,200.80, 112,120,801.20 and 73,739,431.20

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Solution

The fourth proportional to 74,747,200.80, 112,120,801.20 and 73,739,431.20 is: 110,609,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747,200.80 : 112,120,801.20 = 73,739,431.20 : x
  2. Step 2: Convert to fraction form
    74,747,200.80/112,120,801.20 = 73,739,431.20/x
  3. Step 3: Cross multiply
    74,747,200.80x = 112,120,801.20 × 73,739,431.20
  4. Step 4: Simplify right side
    74,747,200.80x = 8,267,724,106,176,278
  5. Step 5: Solve for x
    x = 8,267,724,106,176,278/74,747,200.80
  6. Step 6: Final answer
    x = 110,609,146.80

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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.