Home / 55,712,159.66-76,885,181.55-30,932,347.73

Finding the Fourth Proportional to 55,712,159.66, 76,885,181.55 and 30,932,347.73

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Solution

The fourth proportional to 55,712,159.66, 76,885,181.55 and 30,932,347.73 is: 42,687,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,712,159.66 : 76,885,181.55 = 30,932,347.73 : x
  2. Step 2: Convert to fraction form
    55,712,159.66/76,885,181.55 = 30,932,347.73/x
  3. Step 3: Cross multiply
    55,712,159.66x = 76,885,181.55 × 30,932,347.73
  4. Step 4: Simplify right side
    55,712,159.66x = 2,378,239,170,604,354.50
  5. Step 5: Solve for x
    x = 2,378,239,170,604,354.50/55,712,159.66
  6. Step 6: Final answer
    x = 42,687,973.06

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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.