Home / 71,662,514.24-98,893,325.28-40,300,553.92

Finding the Fourth Proportional to 71,662,514.24, 98,893,325.28 and 40,300,553.92

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Solution

The fourth proportional to 71,662,514.24, 98,893,325.28 and 40,300,553.92 is: 55,614,233.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,662,514.24 : 98,893,325.28 = 40,300,553.92 : x
  2. Step 2: Convert to fraction form
    71,662,514.24/98,893,325.28 = 40,300,553.92/x
  3. Step 3: Cross multiply
    71,662,514.24x = 98,893,325.28 × 40,300,553.92
  4. Step 4: Simplify right side
    71,662,514.24x = 3,985,455,787,774,739.50
  5. Step 5: Solve for x
    x = 3,985,455,787,774,739.50/71,662,514.24
  6. Step 6: Final answer
    x = 55,614,233.33

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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.