Home / 166,603,433.16-250,066,352.70-80,402,520.36

Finding the Fourth Proportional to 166,603,433.16, 250,066,352.70 and 80,402,520.36

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Solution

The fourth proportional to 166,603,433.16, 250,066,352.70 and 80,402,520.36 is: 120,681,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,603,433.16 : 250,066,352.70 = 80,402,520.36 : x
  2. Step 2: Convert to fraction form
    166,603,433.16/250,066,352.70 = 80,402,520.36/x
  3. Step 3: Cross multiply
    166,603,433.16x = 250,066,352.70 × 80,402,520.36
  4. Step 4: Simplify right side
    166,603,433.16x = 20,105,965,014,312,688
  5. Step 5: Solve for x
    x = 20,105,965,014,312,688/166,603,433.16
  6. Step 6: Final answer
    x = 120,681,576.80

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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.