Home / 72,709,922.03-108,424,515.91-72,054,132.14

Finding the Fourth Proportional to 72,709,922.03, 108,424,515.91 and 72,054,132.14

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Solution

The fourth proportional to 72,709,922.03, 108,424,515.91 and 72,054,132.14 is: 107,446,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,709,922.03 : 108,424,515.91 = 72,054,132.14 : x
  2. Step 2: Convert to fraction form
    72,709,922.03/108,424,515.91 = 72,054,132.14/x
  3. Step 3: Cross multiply
    72,709,922.03x = 108,424,515.91 × 72,054,132.14
  4. Step 4: Simplify right side
    72,709,922.03x = 7,812,434,395,872,415
  5. Step 5: Solve for x
    x = 7,812,434,395,872,415/72,709,922.03
  6. Step 6: Final answer
    x = 107,446,606.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.