Home / 206,834,921.48-285,449,255.35-118,745,918.53

Finding the Fourth Proportional to 206,834,921.48, 285,449,255.35 and 118,745,918.53

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Solution

The fourth proportional to 206,834,921.48, 285,449,255.35 and 118,745,918.53 is: 163,879,164.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,834,921.48 : 285,449,255.35 = 118,745,918.53 : x
  2. Step 2: Convert to fraction form
    206,834,921.48/285,449,255.35 = 118,745,918.53/x
  3. Step 3: Cross multiply
    206,834,921.48x = 285,449,255.35 × 118,745,918.53
  4. Step 4: Simplify right side
    206,834,921.48x = 33,895,934,019,229,784
  5. Step 5: Solve for x
    x = 33,895,934,019,229,784/206,834,921.48
  6. Step 6: Final answer
    x = 163,879,164.00

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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.