Home / 55,712,154.18-76,885,173.99-30,932,342.25

Finding the Fourth Proportional to 55,712,154.18, 76,885,173.99 and 30,932,342.25

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Solution

The fourth proportional to 55,712,154.18, 76,885,173.99 and 30,932,342.25 is: 42,687,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712,154.18 : 76,885,173.99 = 30,932,342.25 : x
  2. Step 2: Convert to fraction form
    55,712,154.18/76,885,173.99 = 30,932,342.25/x
  3. Step 3: Cross multiply
    55,712,154.18x = 76,885,173.99 × 30,932,342.25
  4. Step 4: Simplify right side
    55,712,154.18x = 2,378,238,515,809,478
  5. Step 5: Solve for x
    x = 2,378,238,515,809,478/55,712,154.18
  6. Step 6: Final answer
    x = 42,687,965.50

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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.