Home / 202,723,622.02-279,989,545.08-137,420,151.94

Finding the Fourth Proportional to 202,723,622.02, 279,989,545.08 and 137,420,151.94

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Solution

The fourth proportional to 202,723,622.02, 279,989,545.08 and 137,420,151.94 is: 189,796,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,723,622.02 : 279,989,545.08 = 137,420,151.94 : x
  2. Step 2: Convert to fraction form
    202,723,622.02/279,989,545.08 = 137,420,151.94/x
  3. Step 3: Cross multiply
    202,723,622.02x = 279,989,545.08 × 137,420,151.94
  4. Step 4: Simplify right side
    202,723,622.02x = 38,476,205,826,505,080
  5. Step 5: Solve for x
    x = 38,476,205,826,505,080/202,723,622.02
  6. Step 6: Final answer
    x = 189,796,361.39

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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.