Home / 202,069,168.02-278,834,639.76-149,174,013.42

Finding the Fourth Proportional to 202,069,168.02, 278,834,639.76 and 149,174,013.42

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Solution

The fourth proportional to 202,069,168.02, 278,834,639.76 and 149,174,013.42 is: 205,844,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,069,168.02 : 278,834,639.76 = 149,174,013.42 : x
  2. Step 2: Convert to fraction form
    202,069,168.02/278,834,639.76 = 149,174,013.42/x
  3. Step 3: Cross multiply
    202,069,168.02x = 278,834,639.76 × 149,174,013.42
  4. Step 4: Simplify right side
    202,069,168.02x = 41,594,882,293,519,104
  5. Step 5: Solve for x
    x = 41,594,882,293,519,104/202,069,168.02
  6. Step 6: Final answer
    x = 205,844,774.35

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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.