Home / 67,156,954.70-100,735,432.05-53,720,026.70

Finding the Fourth Proportional to 67,156,954.70, 100,735,432.05 and 53,720,026.70

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Solution

The fourth proportional to 67,156,954.70, 100,735,432.05 and 53,720,026.70 is: 80,580,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,156,954.70 : 100,735,432.05 = 53,720,026.70 : x
  2. Step 2: Convert to fraction form
    67,156,954.70/100,735,432.05 = 53,720,026.70/x
  3. Step 3: Cross multiply
    67,156,954.70x = 100,735,432.05 × 53,720,026.70
  4. Step 4: Simplify right side
    67,156,954.70x = 5,411,510,099,362,036
  5. Step 5: Solve for x
    x = 5,411,510,099,362,036/67,156,954.70
  6. Step 6: Final answer
    x = 80,580,040.05

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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.