Home / 76,680,334.80-114,992,508.60-25,564,021.20

Finding the Fourth Proportional to 76,680,334.80, 114,992,508.60 and 25,564,021.20

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Solution

The fourth proportional to 76,680,334.80, 114,992,508.60 and 25,564,021.20 is: 38,336,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,680,334.80 : 114,992,508.60 = 25,564,021.20 : x
  2. Step 2: Convert to fraction form
    76,680,334.80/114,992,508.60 = 25,564,021.20/x
  3. Step 3: Cross multiply
    76,680,334.80x = 114,992,508.60 × 25,564,021.20
  4. Step 4: Simplify right side
    76,680,334.80x = 2,939,670,927,691,582
  5. Step 5: Solve for x
    x = 2,939,670,927,691,582/76,680,334.80
  6. Step 6: Final answer
    x = 38,336,699.17

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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.