Home / 164,645,937.88-227,211,719.08-90,307,103.56

Finding the Fourth Proportional to 164,645,937.88, 227,211,719.08 and 90,307,103.56

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Solution

The fourth proportional to 164,645,937.88, 227,211,719.08 and 90,307,103.56 is: 124,623,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,645,937.88 : 227,211,719.08 = 90,307,103.56 : x
  2. Step 2: Convert to fraction form
    164,645,937.88/227,211,719.08 = 90,307,103.56/x
  3. Step 3: Cross multiply
    164,645,937.88x = 227,211,719.08 × 90,307,103.56
  4. Step 4: Simplify right side
    164,645,937.88x = 20,518,832,245,003,188
  5. Step 5: Solve for x
    x = 20,518,832,245,003,188/164,645,937.88
  6. Step 6: Final answer
    x = 124,623,981.07

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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.