Home / 99,650,019.80-149,475,029.70-74,140,851.80

Finding the Fourth Proportional to 99,650,019.80, 149,475,029.70 and 74,140,851.80

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Solution

The fourth proportional to 99,650,019.80, 149,475,029.70 and 74,140,851.80 is: 111,211,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,019.80 : 149,475,029.70 = 74,140,851.80 : x
  2. Step 2: Convert to fraction form
    99,650,019.80/149,475,029.70 = 74,140,851.80/x
  3. Step 3: Cross multiply
    99,650,019.80x = 149,475,029.70 × 74,140,851.80
  4. Step 4: Simplify right side
    99,650,019.80x = 11,082,206,024,788,298
  5. Step 5: Solve for x
    x = 11,082,206,024,788,298/99,650,019.80
  6. Step 6: Final answer
    x = 111,211,277.70

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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.