Home / 49,922,543.40-74,846,490.30-21,145,122.60

Finding the Fourth Proportional to 49,922,543.40, 74,846,490.30 and 21,145,122.60

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Solution

The fourth proportional to 49,922,543.40, 74,846,490.30 and 21,145,122.60 is: 31,701,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,922,543.40 : 74,846,490.30 = 21,145,122.60 : x
  2. Step 2: Convert to fraction form
    49,922,543.40/74,846,490.30 = 21,145,122.60/x
  3. Step 3: Cross multiply
    49,922,543.40x = 74,846,490.30 × 21,145,122.60
  4. Step 4: Simplify right side
    49,922,543.40x = 1,582,638,213,573,210.75
  5. Step 5: Solve for x
    x = 1,582,638,213,573,210.75/49,922,543.40
  6. Step 6: Final answer
    x = 31,701,874.66

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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.