Home / 236,433,934.31-354,531,835.71-78,811,141.73

Finding the Fourth Proportional to 236,433,934.31, 354,531,835.71 and 78,811,141.73

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Solution

The fourth proportional to 236,433,934.31, 354,531,835.71 and 78,811,141.73 is: 118,177,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,433,934.31 : 354,531,835.71 = 78,811,141.73 : x
  2. Step 2: Convert to fraction form
    236,433,934.31/354,531,835.71 = 78,811,141.73/x
  3. Step 3: Cross multiply
    236,433,934.31x = 354,531,835.71 × 78,811,141.73
  4. Step 4: Simplify right side
    236,433,934.31x = 27,941,058,750,165,224
  5. Step 5: Solve for x
    x = 27,941,058,750,165,224/236,433,934.31
  6. Step 6: Final answer
    x = 118,177,024.09

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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.