Home / 89,713,642.05-134,633,448.68-38,632,320.45

Finding the Fourth Proportional to 89,713,642.05, 134,633,448.68 and 38,632,320.45

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Solution

The fourth proportional to 89,713,642.05, 134,633,448.68 and 38,632,320.45 is: 57,975,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,713,642.05 : 134,633,448.68 = 38,632,320.45 : x
  2. Step 2: Convert to fraction form
    89,713,642.05/134,633,448.68 = 38,632,320.45/x
  3. Step 3: Cross multiply
    89,713,642.05x = 134,633,448.68 × 38,632,320.45
  4. Step 4: Simplify right side
    89,713,642.05x = 5,201,202,532,501,229
  5. Step 5: Solve for x
    x = 5,201,202,532,501,229/89,713,642.05
  6. Step 6: Final answer
    x = 57,975,603.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.