Home / 163,368,213.90-225,448,182.12-89,028,794.88

Finding the Fourth Proportional to 163,368,213.90, 225,448,182.12 and 89,028,794.88

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Solution

The fourth proportional to 163,368,213.90, 225,448,182.12 and 89,028,794.88 is: 122,859,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,368,213.90 : 225,448,182.12 = 89,028,794.88 : x
  2. Step 2: Convert to fraction form
    163,368,213.90/225,448,182.12 = 89,028,794.88/x
  3. Step 3: Cross multiply
    163,368,213.90x = 225,448,182.12 × 89,028,794.88
  4. Step 4: Simplify right side
    163,368,213.90x = 20,071,379,962,030,364
  5. Step 5: Solve for x
    x = 20,071,379,962,030,364/163,368,213.90
  6. Step 6: Final answer
    x = 122,859,762.51

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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.