Home / 80,621,060.40-120,938,963.40-32,742,097.20

Finding the Fourth Proportional to 80,621,060.40, 120,938,963.40 and 32,742,097.20

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Solution

The fourth proportional to 80,621,060.40, 120,938,963.40 and 32,742,097.20 is: 49,116,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,621,060.40 : 120,938,963.40 = 32,742,097.20 : x
  2. Step 2: Convert to fraction form
    80,621,060.40/120,938,963.40 = 32,742,097.20/x
  3. Step 3: Cross multiply
    80,621,060.40x = 120,938,963.40 × 32,742,097.20
  4. Step 4: Simplify right side
    80,621,060.40x = 3,959,795,294,910,042.50
  5. Step 5: Solve for x
    x = 3,959,795,294,910,042.50/80,621,060.40
  6. Step 6: Final answer
    x = 49,116,140.07

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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.