Home / 217,911,402.48-300,715,250.27-118,789,963.21

Finding the Fourth Proportional to 217,911,402.48, 300,715,250.27 and 118,789,963.21

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Solution

The fourth proportional to 217,911,402.48, 300,715,250.27 and 118,789,963.21 is: 163,928,794.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,911,402.48 : 300,715,250.27 = 118,789,963.21 : x
  2. Step 2: Convert to fraction form
    217,911,402.48/300,715,250.27 = 118,789,963.21/x
  3. Step 3: Cross multiply
    217,911,402.48x = 300,715,250.27 × 118,789,963.21
  4. Step 4: Simplify right side
    217,911,402.48x = 35,721,953,514,755,664
  5. Step 5: Solve for x
    x = 35,721,953,514,755,664/217,911,402.48
  6. Step 6: Final answer
    x = 163,928,794.50

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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.