Home / 177,887,648.72-245,450,043.08-111,769,837.52

Finding the Fourth Proportional to 177,887,648.72, 245,450,043.08 and 111,769,837.52

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Solution

The fourth proportional to 177,887,648.72, 245,450,043.08 and 111,769,837.52 is: 154,220,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,887,648.72 : 245,450,043.08 = 111,769,837.52 : x
  2. Step 2: Convert to fraction form
    177,887,648.72/245,450,043.08 = 111,769,837.52/x
  3. Step 3: Cross multiply
    177,887,648.72x = 245,450,043.08 × 111,769,837.52
  4. Step 4: Simplify right side
    177,887,648.72x = 27,433,911,434,328,600
  5. Step 5: Solve for x
    x = 27,433,911,434,328,600/177,887,648.72
  6. Step 6: Final answer
    x = 154,220,439.88

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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.