Home / 119,343,920.54-179,015,930.43-53,688,370.15

Finding the Fourth Proportional to 119,343,920.54, 179,015,930.43 and 53,688,370.15

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Solution

The fourth proportional to 119,343,920.54, 179,015,930.43 and 53,688,370.15 is: 80,532,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,343,920.54 : 179,015,930.43 = 53,688,370.15 : x
  2. Step 2: Convert to fraction form
    119,343,920.54/179,015,930.43 = 53,688,370.15/x
  3. Step 3: Cross multiply
    119,343,920.54x = 179,015,930.43 × 53,688,370.15
  4. Step 4: Simplify right side
    119,343,920.54x = 9,611,073,535,015,538
  5. Step 5: Solve for x
    x = 9,611,073,535,015,538/119,343,920.54
  6. Step 6: Final answer
    x = 80,532,577.55

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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.