Home / 74,890,180.80-112,335,271.20-67,723,819.20

Finding the Fourth Proportional to 74,890,180.80, 112,335,271.20 and 67,723,819.20

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Solution

The fourth proportional to 74,890,180.80, 112,335,271.20 and 67,723,819.20 is: 101,585,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,180.80 : 112,335,271.20 = 67,723,819.20 : x
  2. Step 2: Convert to fraction form
    74,890,180.80/112,335,271.20 = 67,723,819.20/x
  3. Step 3: Cross multiply
    74,890,180.80x = 112,335,271.20 × 67,723,819.20
  4. Step 4: Simplify right side
    74,890,180.80x = 7,607,773,596,531,768
  5. Step 5: Solve for x
    x = 7,607,773,596,531,768/74,890,180.80
  6. Step 6: Final answer
    x = 101,585,728.80

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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.