Home / 83,920,318.59-114,971,246.58-80,775,007.86

Finding the Fourth Proportional to 83,920,318.59, 114,971,246.58 and 80,775,007.86

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Solution

The fourth proportional to 83,920,318.59, 114,971,246.58 and 80,775,007.86 is: 110,662,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920,318.59 : 114,971,246.58 = 80,775,007.86 : x
  2. Step 2: Convert to fraction form
    83,920,318.59/114,971,246.58 = 80,775,007.86/x
  3. Step 3: Cross multiply
    83,920,318.59x = 114,971,246.58 × 80,775,007.86
  4. Step 4: Simplify right side
    83,920,318.59x = 9,286,803,346,173,498
  5. Step 5: Solve for x
    x = 9,286,803,346,173,498/83,920,318.59
  6. Step 6: Final answer
    x = 110,662,155.51

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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.