Home / 56,709,932.20-85,008,911.10-27,932,511.40

Finding the Fourth Proportional to 56,709,932.20, 85,008,911.10 and 27,932,511.40

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Solution

The fourth proportional to 56,709,932.20, 85,008,911.10 and 27,932,511.40 is: 41,871,190.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,709,932.20 : 85,008,911.10 = 27,932,511.40 : x
  2. Step 2: Convert to fraction form
    56,709,932.20/85,008,911.10 = 27,932,511.40/x
  3. Step 3: Cross multiply
    56,709,932.20x = 85,008,911.10 × 27,932,511.40
  4. Step 4: Simplify right side
    56,709,932.20x = 2,374,512,378,402,336
  5. Step 5: Solve for x
    x = 2,374,512,378,402,336/56,709,932.20
  6. Step 6: Final answer
    x = 41,871,190.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.