Home / 67,157,043.10-100,735,564.65-61,782,271.90

Finding the Fourth Proportional to 67,157,043.10, 100,735,564.65 and 61,782,271.90

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Solution

The fourth proportional to 67,157,043.10, 100,735,564.65 and 61,782,271.90 is: 92,673,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,043.10 : 100,735,564.65 = 61,782,271.90 : x
  2. Step 2: Convert to fraction form
    67,157,043.10/100,735,564.65 = 61,782,271.90/x
  3. Step 3: Cross multiply
    67,157,043.10x = 100,735,564.65 × 61,782,271.90
  4. Step 4: Simplify right side
    67,157,043.10x = 6,223,672,045,206,329
  5. Step 5: Solve for x
    x = 6,223,672,045,206,329/67,157,043.10
  6. Step 6: Final answer
    x = 92,673,407.85

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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.