Home / 55,593,378.72-76,723,459.08-30,821,339.16

Finding the Fourth Proportional to 55,593,378.72, 76,723,459.08 and 30,821,339.16

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Solution

The fourth proportional to 55,593,378.72, 76,723,459.08 and 30,821,339.16 is: 42,535,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593,378.72 : 76,723,459.08 = 30,821,339.16 : x
  2. Step 2: Convert to fraction form
    55,593,378.72/76,723,459.08 = 30,821,339.16/x
  3. Step 3: Cross multiply
    55,593,378.72x = 76,723,459.08 × 30,821,339.16
  4. Step 4: Simplify right side
    55,593,378.72x = 2,364,719,753,833,061.50
  5. Step 5: Solve for x
    x = 2,364,719,753,833,061.50/55,593,378.72
  6. Step 6: Final answer
    x = 42,535,996.34

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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.