Home / 69,941,362.17-96,519,172.77-38,578,707.81

Finding the Fourth Proportional to 69,941,362.17, 96,519,172.77 and 38,578,707.81

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Solution

The fourth proportional to 69,941,362.17, 96,519,172.77 and 38,578,707.81 is: 53,238,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941,362.17 : 96,519,172.77 = 38,578,707.81 : x
  2. Step 2: Convert to fraction form
    69,941,362.17/96,519,172.77 = 38,578,707.81/x
  3. Step 3: Cross multiply
    69,941,362.17x = 96,519,172.77 × 38,578,707.81
  4. Step 4: Simplify right side
    69,941,362.17x = 3,723,584,964,356,738.50
  5. Step 5: Solve for x
    x = 3,723,584,964,356,738.50/69,941,362.17
  6. Step 6: Final answer
    x = 53,238,668.06

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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.