Home / 55,508,680.08-76,602,581.28-30,729,277.44

Finding the Fourth Proportional to 55,508,680.08, 76,602,581.28 and 30,729,277.44

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Solution

The fourth proportional to 55,508,680.08, 76,602,581.28 and 30,729,277.44 is: 42,406,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,680.08 : 76,602,581.28 = 30,729,277.44 : x
  2. Step 2: Convert to fraction form
    55,508,680.08/76,602,581.28 = 30,729,277.44/x
  3. Step 3: Cross multiply
    55,508,680.08x = 76,602,581.28 × 30,729,277.44
  4. Step 4: Simplify right side
    55,508,680.08x = 2,353,941,972,773,270.50
  5. Step 5: Solve for x
    x = 2,353,941,972,773,270.50/55,508,680.08
  6. Step 6: Final answer
    x = 42,406,736.56

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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.