Home / 76,840,797.19-115,076,508.15-43,951,657.90

Finding the Fourth Proportional to 76,840,797.19, 115,076,508.15 and 43,951,657.90

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Solution

The fourth proportional to 76,840,797.19, 115,076,508.15 and 43,951,657.90 is: 65,821,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,840,797.19 : 115,076,508.15 = 43,951,657.90 : x
  2. Step 2: Convert to fraction form
    76,840,797.19/115,076,508.15 = 43,951,657.90/x
  3. Step 3: Cross multiply
    76,840,797.19x = 115,076,508.15 × 43,951,657.90
  4. Step 4: Simplify right side
    76,840,797.19x = 5,057,803,317,959,980
  5. Step 5: Solve for x
    x = 5,057,803,317,959,980/76,840,797.19
  6. Step 6: Final answer
    x = 65,821,848.59

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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.