Home / 157,283,229.97-217,143,963.64-139,831,371.83

Finding the Fourth Proportional to 157,283,229.97, 217,143,963.64 and 139,831,371.83

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Solution

The fourth proportional to 157,283,229.97, 217,143,963.64 and 139,831,371.83 is: 193,050,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,283,229.97 : 217,143,963.64 = 139,831,371.83 : x
  2. Step 2: Convert to fraction form
    157,283,229.97/217,143,963.64 = 139,831,371.83/x
  3. Step 3: Cross multiply
    157,283,229.97x = 217,143,963.64 × 139,831,371.83
  4. Step 4: Simplify right side
    157,283,229.97x = 30,363,538,320,384,840
  5. Step 5: Solve for x
    x = 30,363,538,320,384,840/157,283,229.97
  6. Step 6: Final answer
    x = 193,050,068.50

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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.