Home / 55,729,854.86-76,909,754.75-30,950,155.31

Finding the Fourth Proportional to 55,729,854.86, 76,909,754.75 and 30,950,155.31

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Solution

The fourth proportional to 55,729,854.86, 76,909,754.75 and 30,950,155.31 is: 42,712,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729,854.86 : 76,909,754.75 = 30,950,155.31 : x
  2. Step 2: Convert to fraction form
    55,729,854.86/76,909,754.75 = 30,950,155.31/x
  3. Step 3: Cross multiply
    55,729,854.86x = 76,909,754.75 × 30,950,155.31
  4. Step 4: Simplify right side
    55,729,854.86x = 2,380,368,853,827,211
  5. Step 5: Solve for x
    x = 2,380,368,853,827,211/55,729,854.86
  6. Step 6: Final answer
    x = 42,712,633.29

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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.