Home / 101,403,717.38-139,944,646.37-56,754,155.01

Finding the Fourth Proportional to 101,403,717.38, 139,944,646.37 and 56,754,155.01

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Solution

The fourth proportional to 101,403,717.38, 139,944,646.37 and 56,754,155.01 is: 78,324,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,403,717.38 : 139,944,646.37 = 56,754,155.01 : x
  2. Step 2: Convert to fraction form
    101,403,717.38/139,944,646.37 = 56,754,155.01/x
  3. Step 3: Cross multiply
    101,403,717.38x = 139,944,646.37 × 56,754,155.01
  4. Step 4: Simplify right side
    101,403,717.38x = 7,942,440,152,618,843
  5. Step 5: Solve for x
    x = 7,942,440,152,618,843/101,403,717.38
  6. Step 6: Final answer
    x = 78,324,940.72

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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.