Home / 381,220,501.11-526,062,190.23-213,941,142.60

Finding the Fourth Proportional to 381,220,501.11, 526,062,190.23 and 213,941,142.60

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Solution

The fourth proportional to 381,220,501.11, 526,062,190.23 and 213,941,142.60 is: 295,226,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,220,501.11 : 526,062,190.23 = 213,941,142.60 : x
  2. Step 2: Convert to fraction form
    381,220,501.11/526,062,190.23 = 213,941,142.60/x
  3. Step 3: Cross multiply
    381,220,501.11x = 526,062,190.23 × 213,941,142.60
  4. Step 4: Simplify right side
    381,220,501.11x = 112,546,346,056,464,752
  5. Step 5: Solve for x
    x = 112,546,346,056,464,752/381,220,501.11
  6. Step 6: Final answer
    x = 295,226,373.53

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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.