Home / 56,302,853.22-77,701,139.12-31,522,823.27

Finding the Fourth Proportional to 56,302,853.22, 77,701,139.12 and 31,522,823.27

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Solution

The fourth proportional to 56,302,853.22, 77,701,139.12 and 31,522,823.27 is: 43,503,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302,853.22 : 77,701,139.12 = 31,522,823.27 : x
  2. Step 2: Convert to fraction form
    56,302,853.22/77,701,139.12 = 31,522,823.27/x
  3. Step 3: Cross multiply
    56,302,853.22x = 77,701,139.12 × 31,522,823.27
  4. Step 4: Simplify right side
    56,302,853.22x = 2,449,359,276,598,876.50
  5. Step 5: Solve for x
    x = 2,449,359,276,598,876.50/56,302,853.22
  6. Step 6: Final answer
    x = 43,503,288.67

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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.