Home / 55,593,353.28-76,723,423.86-30,821,313.60

Finding the Fourth Proportional to 55,593,353.28, 76,723,423.86 and 30,821,313.60

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Solution

The fourth proportional to 55,593,353.28, 76,723,423.86 and 30,821,313.60 is: 42,535,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,593,353.28 : 76,723,423.86 = 30,821,313.60 : x
  2. Step 2: Convert to fraction form
    55,593,353.28/76,723,423.86 = 30,821,313.60/x
  3. Step 3: Cross multiply
    55,593,353.28x = 76,723,423.86 × 30,821,313.60
  4. Step 4: Simplify right side
    55,593,353.28x = 2,364,716,707,254,782.50
  5. Step 5: Solve for x
    x = 2,364,716,707,254,782.50/55,593,353.28
  6. Step 6: Final answer
    x = 42,535,961.00

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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.