Home / 83,920,318.83-114,971,246.94-80,775,008.31

Finding the Fourth Proportional to 83,920,318.83, 114,971,246.94 and 80,775,008.31

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Solution

The fourth proportional to 83,920,318.83, 114,971,246.94 and 80,775,008.31 is: 110,662,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,920,318.83 : 114,971,246.94 = 80,775,008.31 : x
  2. Step 2: Convert to fraction form
    83,920,318.83/114,971,246.94 = 80,775,008.31/x
  3. Step 3: Cross multiply
    83,920,318.83x = 114,971,246.94 × 80,775,008.31
  4. Step 4: Simplify right side
    83,920,318.83x = 9,286,803,426,989,562
  5. Step 5: Solve for x
    x = 9,286,803,426,989,562/83,920,318.83
  6. Step 6: Final answer
    x = 110,662,156.16

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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.