Home / 84,962,639.63-127,443,994.64-38,221,530

Finding the Fourth Proportional to 84,962,639.63, 127,443,994.64 and 38,221,530

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Solution

The fourth proportional to 84,962,639.63, 127,443,994.64 and 38,221,530 is: 57,332,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,962,639.63 : 127,443,994.64 = 38,221,530 : x
  2. Step 2: Convert to fraction form
    84,962,639.63/127,443,994.64 = 38,221,530/x
  3. Step 3: Cross multiply
    84,962,639.63x = 127,443,994.64 × 38,221,530
  4. Step 4: Simplify right side
    84,962,639.63x = 4,871,104,464,548,153
  5. Step 5: Solve for x
    x = 4,871,104,464,548,153/84,962,639.63
  6. Step 6: Final answer
    x = 57,332,310.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.