Home / 55,078,628.05-76,008,086.40-30,298,281.31

Finding the Fourth Proportional to 55,078,628.05, 76,008,086.40 and 30,298,281.31

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Solution

The fourth proportional to 55,078,628.05, 76,008,086.40 and 30,298,281.31 is: 41,811,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,078,628.05 : 76,008,086.40 = 30,298,281.31 : x
  2. Step 2: Convert to fraction form
    55,078,628.05/76,008,086.40 = 30,298,281.31/x
  3. Step 3: Cross multiply
    55,078,628.05x = 76,008,086.40 × 30,298,281.31
  4. Step 4: Simplify right side
    55,078,628.05x = 2,302,914,383,581,985.50
  5. Step 5: Solve for x
    x = 2,302,914,383,581,985.50/55,078,628.05
  6. Step 6: Final answer
    x = 41,811,397.00

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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.