Home / 74,314,140.80-111,471,211.20-57,308,028.80

Finding the Fourth Proportional to 74,314,140.80, 111,471,211.20 and 57,308,028.80

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Solution

The fourth proportional to 74,314,140.80, 111,471,211.20 and 57,308,028.80 is: 85,962,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314,140.80 : 111,471,211.20 = 57,308,028.80 : x
  2. Step 2: Convert to fraction form
    74,314,140.80/111,471,211.20 = 57,308,028.80/x
  3. Step 3: Cross multiply
    74,314,140.80x = 111,471,211.20 × 57,308,028.80
  4. Step 4: Simplify right side
    74,314,140.80x = 6,388,195,381,820,482
  5. Step 5: Solve for x
    x = 6,388,195,381,820,482/74,314,140.80
  6. Step 6: Final answer
    x = 85,962,043.20

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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.