Home / 105,203,907.70-157,809,470.10-32,420,110.30

Finding the Fourth Proportional to 105,203,907.70, 157,809,470.10 and 32,420,110.30

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Solution

The fourth proportional to 105,203,907.70, 157,809,470.10 and 32,420,110.30 is: 48,631,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,203,907.70 : 157,809,470.10 = 32,420,110.30 : x
  2. Step 2: Convert to fraction form
    105,203,907.70/157,809,470.10 = 32,420,110.30/x
  3. Step 3: Cross multiply
    105,203,907.70x = 157,809,470.10 × 32,420,110.30
  4. Step 4: Simplify right side
    105,203,907.70x = 5,116,200,427,026,552
  5. Step 5: Solve for x
    x = 5,116,200,427,026,552/105,203,907.70
  6. Step 6: Final answer
    x = 48,631,277.48

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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.