Home / 55,215,384.13-76,200,639.16-30,435,515.09

Finding the Fourth Proportional to 55,215,384.13, 76,200,639.16 and 30,435,515.09

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Solution

The fourth proportional to 55,215,384.13, 76,200,639.16 and 30,435,515.09 is: 42,002,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215,384.13 : 76,200,639.16 = 30,435,515.09 : x
  2. Step 2: Convert to fraction form
    55,215,384.13/76,200,639.16 = 30,435,515.09/x
  3. Step 3: Cross multiply
    55,215,384.13x = 76,200,639.16 × 30,435,515.09
  4. Step 4: Simplify right side
    55,215,384.13x = 2,319,205,702,564,733
  5. Step 5: Solve for x
    x = 2,319,205,702,564,733/55,215,384.13
  6. Step 6: Final answer
    x = 42,002,889.94

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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.