Home / 83,920,317.59-114,971,245.21-80,775,006.86

Finding the Fourth Proportional to 83,920,317.59, 114,971,245.21 and 80,775,006.86

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Solution

The fourth proportional to 83,920,317.59, 114,971,245.21 and 80,775,006.86 is: 110,662,154.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920,317.59 : 114,971,245.21 = 80,775,006.86 : x
  2. Step 2: Convert to fraction form
    83,920,317.59/114,971,245.21 = 80,775,006.86/x
  3. Step 3: Cross multiply
    83,920,317.59x = 114,971,245.21 × 80,775,006.86
  4. Step 4: Simplify right side
    83,920,317.59x = 9,286,803,120,540,492
  5. Step 5: Solve for x
    x = 9,286,803,120,540,492/83,920,317.59
  6. Step 6: Final answer
    x = 110,662,154.14

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.