Home / 67,068,216.20-100,602,324.30-45,385,423.40

Finding the Fourth Proportional to 67,068,216.20, 100,602,324.30 and 45,385,423.40

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Solution

The fourth proportional to 67,068,216.20, 100,602,324.30 and 45,385,423.40 is: 68,078,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,216.20 : 100,602,324.30 = 45,385,423.40 : x
  2. Step 2: Convert to fraction form
    67,068,216.20/100,602,324.30 = 45,385,423.40/x
  3. Step 3: Cross multiply
    67,068,216.20x = 100,602,324.30 × 45,385,423.40
  4. Step 4: Simplify right side
    67,068,216.20x = 4,565,879,083,379,608
  5. Step 5: Solve for x
    x = 4,565,879,083,379,608/67,068,216.20
  6. Step 6: Final answer
    x = 68,078,135.10

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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.