Home / 165,307,536.40-247,961,304.60-145,152,144.40

Finding the Fourth Proportional to 165,307,536.40, 247,961,304.60 and 145,152,144.40

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Solution

The fourth proportional to 165,307,536.40, 247,961,304.60 and 145,152,144.40 is: 217,728,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,307,536.40 : 247,961,304.60 = 145,152,144.40 : x
  2. Step 2: Convert to fraction form
    165,307,536.40/247,961,304.60 = 145,152,144.40/x
  3. Step 3: Cross multiply
    165,307,536.40x = 247,961,304.60 × 145,152,144.40
  4. Step 4: Simplify right side
    165,307,536.40x = 35,992,115,090,911,584
  5. Step 5: Solve for x
    x = 35,992,115,090,911,584/165,307,536.40
  6. Step 6: Final answer
    x = 217,728,216.60

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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.