Home / 53,254,739.10-79,882,108.65-43,680,927.90

Finding the Fourth Proportional to 53,254,739.10, 79,882,108.65 and 43,680,927.90

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Solution

The fourth proportional to 53,254,739.10, 79,882,108.65 and 43,680,927.90 is: 65,521,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,254,739.10 : 79,882,108.65 = 43,680,927.90 : x
  2. Step 2: Convert to fraction form
    53,254,739.10/79,882,108.65 = 43,680,927.90/x
  3. Step 3: Cross multiply
    53,254,739.10x = 79,882,108.65 × 43,680,927.90
  4. Step 4: Simplify right side
    53,254,739.10x = 3,489,324,628,440,616.50
  5. Step 5: Solve for x
    x = 3,489,324,628,440,616.50/53,254,739.10
  6. Step 6: Final answer
    x = 65,521,391.85

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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.