Home / 56,670,817.20-85,069,211.40-31,161,649.20

Finding the Fourth Proportional to 56,670,817.20, 85,069,211.40 and 31,161,649.20

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Solution

The fourth proportional to 56,670,817.20, 85,069,211.40 and 31,161,649.20 is: 46,777,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670,817.20 : 85,069,211.40 = 31,161,649.20 : x
  2. Step 2: Convert to fraction form
    56,670,817.20/85,069,211.40 = 31,161,649.20/x
  3. Step 3: Cross multiply
    56,670,817.20x = 85,069,211.40 × 31,161,649.20
  4. Step 4: Simplify right side
    56,670,817.20x = 2,650,896,923,367,441
  5. Step 5: Solve for x
    x = 2,650,896,923,367,441/56,670,817.20
  6. Step 6: Final answer
    x = 46,777,107.77

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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.