Home / 99,075,939.40-148,135,612.20-73,247,906.80

Finding the Fourth Proportional to 99,075,939.40, 148,135,612.20 and 73,247,906.80

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Solution

The fourth proportional to 99,075,939.40, 148,135,612.20 and 73,247,906.80 is: 109,518,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,075,939.40 : 148,135,612.20 = 73,247,906.80 : x
  2. Step 2: Convert to fraction form
    99,075,939.40/148,135,612.20 = 73,247,906.80/x
  3. Step 3: Cross multiply
    99,075,939.40x = 148,135,612.20 × 73,247,906.80
  4. Step 4: Simplify right side
    99,075,939.40x = 10,850,623,516,186,542
  5. Step 5: Solve for x
    x = 10,850,623,516,186,542/99,075,939.40
  6. Step 6: Final answer
    x = 109,518,250.16

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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.