Home / 120,587,109.75-166,410,293.49-67,656,510.54

Finding the Fourth Proportional to 120,587,109.75, 166,410,293.49 and 67,656,510.54

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Solution

The fourth proportional to 120,587,109.75, 166,410,293.49 and 67,656,510.54 is: 93,366,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587,109.75 : 166,410,293.49 = 67,656,510.54 : x
  2. Step 2: Convert to fraction form
    120,587,109.75/166,410,293.49 = 67,656,510.54/x
  3. Step 3: Cross multiply
    120,587,109.75x = 166,410,293.49 × 67,656,510.54
  4. Step 4: Simplify right side
    120,587,109.75x = 11,258,739,775,470,680
  5. Step 5: Solve for x
    x = 11,258,739,775,470,680/120,587,109.75
  6. Step 6: Final answer
    x = 93,366,030.57

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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.