Home / 55,265,290.32-82,898,091-21,197,079.12

Finding the Fourth Proportional to 55,265,290.32, 82,898,091 and 21,197,079.12

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Solution

The fourth proportional to 55,265,290.32, 82,898,091 and 21,197,079.12 is: 31,795,678.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265,290.32 : 82,898,091 = 21,197,079.12 : x
  2. Step 2: Convert to fraction form
    55,265,290.32/82,898,091 = 21,197,079.12/x
  3. Step 3: Cross multiply
    55,265,290.32x = 82,898,091 × 21,197,079.12
  4. Step 4: Simplify right side
    55,265,290.32x = 1,757,197,393,823,960
  5. Step 5: Solve for x
    x = 1,757,197,393,823,960/55,265,290.32
  6. Step 6: Final answer
    x = 31,795,678.33

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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.