Home / 55,786,106.16-76,986,807.48-31,006,793.52

Finding the Fourth Proportional to 55,786,106.16, 76,986,807.48 and 31,006,793.52

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Solution

The fourth proportional to 55,786,106.16, 76,986,807.48 and 31,006,793.52 is: 42,790,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786,106.16 : 76,986,807.48 = 31,006,793.52 : x
  2. Step 2: Convert to fraction form
    55,786,106.16/76,986,807.48 = 31,006,793.52/x
  3. Step 3: Cross multiply
    55,786,106.16x = 76,986,807.48 × 31,006,793.52
  4. Step 4: Simplify right side
    55,786,106.16x = 2,387,114,043,296,351.50
  5. Step 5: Solve for x
    x = 2,387,114,043,296,351.50/55,786,106.16
  6. Step 6: Final answer
    x = 42,790,476.12

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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.