Home / 99,189,134.70-148,642,404.77-73,076,075.87

Finding the Fourth Proportional to 99,189,134.70, 148,642,404.77 and 73,076,075.87

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Solution

The fourth proportional to 99,189,134.70, 148,642,404.77 and 73,076,075.87 is: 109,510,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189,134.70 : 148,642,404.77 = 73,076,075.87 : x
  2. Step 2: Convert to fraction form
    99,189,134.70/148,642,404.77 = 73,076,075.87/x
  3. Step 3: Cross multiply
    99,189,134.70x = 148,642,404.77 × 73,076,075.87
  4. Step 4: Simplify right side
    99,189,134.70x = 10,862,203,647,363,176
  5. Step 5: Solve for x
    x = 10,862,203,647,363,176/99,189,134.70
  6. Step 6: Final answer
    x = 109,510,015.19

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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.