Home / 76,363,449.72-114,545,755.29-21,775,988.40

Finding the Fourth Proportional to 76,363,449.72, 114,545,755.29 and 21,775,988.40

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Solution

The fourth proportional to 76,363,449.72, 114,545,755.29 and 21,775,988.40 is: 32,664,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,363,449.72 : 114,545,755.29 = 21,775,988.40 : x
  2. Step 2: Convert to fraction form
    76,363,449.72/114,545,755.29 = 21,775,988.40/x
  3. Step 3: Cross multiply
    76,363,449.72x = 114,545,755.29 × 21,775,988.40
  4. Step 4: Simplify right side
    76,363,449.72x = 2,494,347,038,464,278.50
  5. Step 5: Solve for x
    x = 2,494,347,038,464,278.50/76,363,449.72
  6. Step 6: Final answer
    x = 32,664,148.20

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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.