Home / 101,143,649.43-139,544,068.28-65,845,381.95

Finding the Fourth Proportional to 101,143,649.43, 139,544,068.28 and 65,845,381.95

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Solution

The fourth proportional to 101,143,649.43, 139,544,068.28 and 65,845,381.95 is: 90,844,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,649.43 : 139,544,068.28 = 65,845,381.95 : x
  2. Step 2: Convert to fraction form
    101,143,649.43/139,544,068.28 = 65,845,381.95/x
  3. Step 3: Cross multiply
    101,143,649.43x = 139,544,068.28 × 65,845,381.95
  4. Step 4: Simplify right side
    101,143,649.43x = 9,188,332,474,424,254
  5. Step 5: Solve for x
    x = 9,188,332,474,424,254/101,143,649.43
  6. Step 6: Final answer
    x = 90,844,383.47

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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.