Home / 113,095,770.52-156,084,801.03-68,466,332.78

Finding the Fourth Proportional to 113,095,770.52, 156,084,801.03 and 68,466,332.78

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Solution

The fourth proportional to 113,095,770.52, 156,084,801.03 and 68,466,332.78 is: 94,491,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,095,770.52 : 156,084,801.03 = 68,466,332.78 : x
  2. Step 2: Convert to fraction form
    113,095,770.52/156,084,801.03 = 68,466,332.78/x
  3. Step 3: Cross multiply
    113,095,770.52x = 156,084,801.03 × 68,466,332.78
  4. Step 4: Simplify right side
    113,095,770.52x = 10,686,553,928,439,644
  5. Step 5: Solve for x
    x = 10,686,553,928,439,644/113,095,770.52
  6. Step 6: Final answer
    x = 94,491,189.89

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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.