Home / 165,243,640.80-247,865,461.20-146,111,764.80

Finding the Fourth Proportional to 165,243,640.80, 247,865,461.20 and 146,111,764.80

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Solution

The fourth proportional to 165,243,640.80, 247,865,461.20 and 146,111,764.80 is: 219,167,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,243,640.80 : 247,865,461.20 = 146,111,764.80 : x
  2. Step 2: Convert to fraction form
    165,243,640.80/247,865,461.20 = 146,111,764.80/x
  3. Step 3: Cross multiply
    165,243,640.80x = 247,865,461.20 × 146,111,764.80
  4. Step 4: Simplify right side
    165,243,640.80x = 36,216,059,968,897,928
  5. Step 5: Solve for x
    x = 36,216,059,968,897,928/165,243,640.80
  6. Step 6: Final answer
    x = 219,167,647.20

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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.