Home / 99,075,741.40-148,135,315.20-73,247,708.80

Finding the Fourth Proportional to 99,075,741.40, 148,135,315.20 and 73,247,708.80

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Solution

The fourth proportional to 99,075,741.40, 148,135,315.20 and 73,247,708.80 is: 109,517,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075,741.40 : 148,135,315.20 = 73,247,708.80 : x
  2. Step 2: Convert to fraction form
    99,075,741.40/148,135,315.20 = 73,247,708.80/x
  3. Step 3: Cross multiply
    99,075,741.40x = 148,135,315.20 × 73,247,708.80
  4. Step 4: Simplify right side
    99,075,741.40x = 10,850,572,430,765,812
  5. Step 5: Solve for x
    x = 10,850,572,430,765,812/99,075,741.40
  6. Step 6: Final answer
    x = 109,517,953.41

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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.