Home / 74,859,938.20-112,289,907.30-63,900,443.80

Finding the Fourth Proportional to 74,859,938.20, 112,289,907.30 and 63,900,443.80

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Solution

The fourth proportional to 74,859,938.20, 112,289,907.30 and 63,900,443.80 is: 95,850,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859,938.20 : 112,289,907.30 = 63,900,443.80 : x
  2. Step 2: Convert to fraction form
    74,859,938.20/112,289,907.30 = 63,900,443.80/x
  3. Step 3: Cross multiply
    74,859,938.20x = 112,289,907.30 × 63,900,443.80
  4. Step 4: Simplify right side
    74,859,938.20x = 7,175,374,910,730,859
  5. Step 5: Solve for x
    x = 7,175,374,910,730,859/74,859,938.20
  6. Step 6: Final answer
    x = 95,850,665.70

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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.