Home / 75,100,103.20-112,482,193.20-61,663,175.20

Finding the Fourth Proportional to 75,100,103.20, 112,482,193.20 and 61,663,175.20

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Solution

The fourth proportional to 75,100,103.20, 112,482,193.20 and 61,663,175.20 is: 92,356,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,100,103.20 : 112,482,193.20 = 61,663,175.20 : x
  2. Step 2: Convert to fraction form
    75,100,103.20/112,482,193.20 = 61,663,175.20/x
  3. Step 3: Cross multiply
    75,100,103.20x = 112,482,193.20 × 61,663,175.20
  4. Step 4: Simplify right side
    75,100,103.20x = 6,936,009,186,171,849
  5. Step 5: Solve for x
    x = 6,936,009,186,171,849/75,100,103.20
  6. Step 6: Final answer
    x = 92,356,852.93

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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.