Home / 45,523,122.30-68,284,683.45-31,652,512.20

Finding the Fourth Proportional to 45,523,122.30, 68,284,683.45 and 31,652,512.20

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Solution

The fourth proportional to 45,523,122.30, 68,284,683.45 and 31,652,512.20 is: 47,478,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,523,122.30 : 68,284,683.45 = 31,652,512.20 : x
  2. Step 2: Convert to fraction form
    45,523,122.30/68,284,683.45 = 31,652,512.20/x
  3. Step 3: Cross multiply
    45,523,122.30x = 68,284,683.45 × 31,652,512.20
  4. Step 4: Simplify right side
    45,523,122.30x = 2,161,381,775,974,263.25
  5. Step 5: Solve for x
    x = 2,161,381,775,974,263.25/45,523,122.30
  6. Step 6: Final answer
    x = 47,478,768.30

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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.