Home / 202,146,813.11-278,962,602.53-109,327,320.95

Finding the Fourth Proportional to 202,146,813.11, 278,962,602.53 and 109,327,320.95

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Solution

The fourth proportional to 202,146,813.11, 278,962,602.53 and 109,327,320.95 is: 150,871,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,146,813.11 : 278,962,602.53 = 109,327,320.95 : x
  2. Step 2: Convert to fraction form
    202,146,813.11/278,962,602.53 = 109,327,320.95/x
  3. Step 3: Cross multiply
    202,146,813.11x = 278,962,602.53 × 109,327,320.95
  4. Step 4: Simplify right side
    202,146,813.11x = 30,498,233,977,903,136
  5. Step 5: Solve for x
    x = 30,498,233,977,903,136/202,146,813.11
  6. Step 6: Final answer
    x = 150,871,703.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.