Home / 56,074,514.88-77,381,094.24-31,627,876.80

Finding the Fourth Proportional to 56,074,514.88, 77,381,094.24 and 31,627,876.80

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Solution

The fourth proportional to 56,074,514.88, 77,381,094.24 and 31,627,876.80 is: 43,645,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,074,514.88 : 77,381,094.24 = 31,627,876.80 : x
  2. Step 2: Convert to fraction form
    56,074,514.88/77,381,094.24 = 31,627,876.80/x
  3. Step 3: Cross multiply
    56,074,514.88x = 77,381,094.24 × 31,627,876.80
  4. Step 4: Simplify right side
    56,074,514.88x = 2,447,399,715,271,909.50
  5. Step 5: Solve for x
    x = 2,447,399,715,271,909.50/56,074,514.88
  6. Step 6: Final answer
    x = 43,645,490.66

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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.