Home / 55,786,108.16-76,986,810.24-31,006,795.52

Finding the Fourth Proportional to 55,786,108.16, 76,986,810.24 and 31,006,795.52

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Solution

The fourth proportional to 55,786,108.16, 76,986,810.24 and 31,006,795.52 is: 42,790,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786,108.16 : 76,986,810.24 = 31,006,795.52 : x
  2. Step 2: Convert to fraction form
    55,786,108.16/76,986,810.24 = 31,006,795.52/x
  3. Step 3: Cross multiply
    55,786,108.16x = 76,986,810.24 × 31,006,795.52
  4. Step 4: Simplify right side
    55,786,108.16x = 2,387,114,282,848,722
  5. Step 5: Solve for x
    x = 2,387,114,282,848,722/55,786,108.16
  6. Step 6: Final answer
    x = 42,790,478.88

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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.