Home / 120,077,048.70-165,724,097.31-76,028,142.24

Finding the Fourth Proportional to 120,077,048.70, 165,724,097.31 and 76,028,142.24

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Solution

The fourth proportional to 120,077,048.70, 165,724,097.31 and 76,028,142.24 is: 104,930,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,077,048.70 : 165,724,097.31 = 76,028,142.24 : x
  2. Step 2: Convert to fraction form
    120,077,048.70/165,724,097.31 = 76,028,142.24/x
  3. Step 3: Cross multiply
    120,077,048.70x = 165,724,097.31 × 76,028,142.24
  4. Step 4: Simplify right side
    120,077,048.70x = 12,599,695,242,880,280
  5. Step 5: Solve for x
    x = 12,599,695,242,880,280/120,077,048.70
  6. Step 6: Final answer
    x = 104,930,087.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.