Home / 74,754,633.60-112,131,950.40-45,907,228.80

Finding the Fourth Proportional to 74,754,633.60, 112,131,950.40 and 45,907,228.80

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Solution

The fourth proportional to 74,754,633.60, 112,131,950.40 and 45,907,228.80 is: 68,860,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,754,633.60 : 112,131,950.40 = 45,907,228.80 : x
  2. Step 2: Convert to fraction form
    74,754,633.60/112,131,950.40 = 45,907,228.80/x
  3. Step 3: Cross multiply
    74,754,633.60x = 112,131,950.40 × 45,907,228.80
  4. Step 4: Simplify right side
    74,754,633.60x = 5,147,667,102,803,051
  5. Step 5: Solve for x
    x = 5,147,667,102,803,051/74,754,633.60
  6. Step 6: Final answer
    x = 68,860,843.20

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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.