Home / 53,220,216.15-73,443,912.90-29,377,857.81

Finding the Fourth Proportional to 53,220,216.15, 73,443,912.90 and 29,377,857.81

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Solution

The fourth proportional to 53,220,216.15, 73,443,912.90 and 29,377,857.81 is: 40,541,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220,216.15 : 73,443,912.90 = 29,377,857.81 : x
  2. Step 2: Convert to fraction form
    53,220,216.15/73,443,912.90 = 29,377,857.81/x
  3. Step 3: Cross multiply
    53,220,216.15x = 73,443,912.90 × 29,377,857.81
  4. Step 4: Simplify right side
    53,220,216.15x = 2,157,624,830,186,224.75
  5. Step 5: Solve for x
    x = 2,157,624,830,186,224.75/53,220,216.15
  6. Step 6: Final answer
    x = 40,541,451.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.