Home / 55,499,394.86-76,587,502.21-30,720,597.38

Finding the Fourth Proportional to 55,499,394.86, 76,587,502.21 and 30,720,597.38

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Solution

The fourth proportional to 55,499,394.86, 76,587,502.21 and 30,720,597.38 is: 42,393,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,499,394.86 : 76,587,502.21 = 30,720,597.38 : x
  2. Step 2: Convert to fraction form
    55,499,394.86/76,587,502.21 = 30,720,597.38/x
  3. Step 3: Cross multiply
    55,499,394.86x = 76,587,502.21 × 30,720,597.38
  4. Step 4: Simplify right side
    55,499,394.86x = 2,352,813,819,273,531
  5. Step 5: Solve for x
    x = 2,352,813,819,273,531/55,499,394.86
  6. Step 6: Final answer
    x = 42,393,504.03

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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.