Home / 101,143,673.68-139,544,101.74-65,845,406.20

Finding the Fourth Proportional to 101,143,673.68, 139,544,101.74 and 65,845,406.20

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Solution

The fourth proportional to 101,143,673.68, 139,544,101.74 and 65,845,406.20 is: 90,844,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,673.68 : 139,544,101.74 = 65,845,406.20 : x
  2. Step 2: Convert to fraction form
    101,143,673.68/139,544,101.74 = 65,845,406.20/x
  3. Step 3: Cross multiply
    101,143,673.68x = 139,544,101.74 × 65,845,406.20
  4. Step 4: Simplify right side
    101,143,673.68x = 9,188,338,061,884,428
  5. Step 5: Solve for x
    x = 9,188,338,061,884,428/101,143,673.68
  6. Step 6: Final answer
    x = 90,844,416.93

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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.