Home / 236,196,221.40-354,294,332.10-217,542,642.30

Finding the Fourth Proportional to 236,196,221.40, 354,294,332.10 and 217,542,642.30

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Solution

The fourth proportional to 236,196,221.40, 354,294,332.10 and 217,542,642.30 is: 326,313,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,196,221.40 : 354,294,332.10 = 217,542,642.30 : x
  2. Step 2: Convert to fraction form
    236,196,221.40/354,294,332.10 = 217,542,642.30/x
  3. Step 3: Cross multiply
    236,196,221.40x = 354,294,332.10 × 217,542,642.30
  4. Step 4: Simplify right side
    236,196,221.40x = 77,074,125,156,947,712
  5. Step 5: Solve for x
    x = 77,074,125,156,947,712/236,196,221.40
  6. Step 6: Final answer
    x = 326,313,963.45

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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.