Home / 52,402,198.22-72,315,329.78-30,388,767.93

Finding the Fourth Proportional to 52,402,198.22, 72,315,329.78 and 30,388,767.93

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Solution

The fourth proportional to 52,402,198.22, 72,315,329.78 and 30,388,767.93 is: 41,936,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402,198.22 : 72,315,329.78 = 30,388,767.93 : x
  2. Step 2: Convert to fraction form
    52,402,198.22/72,315,329.78 = 30,388,767.93/x
  3. Step 3: Cross multiply
    52,402,198.22x = 72,315,329.78 × 30,388,767.93
  4. Step 4: Simplify right side
    52,402,198.22x = 2,197,573,774,313,894.25
  5. Step 5: Solve for x
    x = 2,197,573,774,313,894.25/52,402,198.22
  6. Step 6: Final answer
    x = 41,936,671.54

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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.