Home / 67,227,961.88-92,774,796.80-38,975,841.47

Finding the Fourth Proportional to 67,227,961.88, 92,774,796.80 and 38,975,841.47

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Solution

The fourth proportional to 67,227,961.88, 92,774,796.80 and 38,975,841.47 is: 53,786,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227,961.88 : 92,774,796.80 = 38,975,841.47 : x
  2. Step 2: Convert to fraction form
    67,227,961.88/92,774,796.80 = 38,975,841.47/x
  3. Step 3: Cross multiply
    67,227,961.88x = 92,774,796.80 × 38,975,841.47
  4. Step 4: Simplify right side
    67,227,961.88x = 3,615,975,772,488,263
  5. Step 5: Solve for x
    x = 3,615,975,772,488,263/67,227,961.88
  6. Step 6: Final answer
    x = 53,786,782.63

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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.