Home / 147,743,999.80-221,615,999.70-40,038,623.80

Finding the Fourth Proportional to 147,743,999.80, 221,615,999.70 and 40,038,623.80

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Solution

The fourth proportional to 147,743,999.80, 221,615,999.70 and 40,038,623.80 is: 60,057,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,999.80 : 221,615,999.70 = 40,038,623.80 : x
  2. Step 2: Convert to fraction form
    147,743,999.80/221,615,999.70 = 40,038,623.80/x
  3. Step 3: Cross multiply
    147,743,999.80x = 221,615,999.70 × 40,038,623.80
  4. Step 4: Simplify right side
    147,743,999.80x = 8,873,199,640,049,212
  5. Step 5: Solve for x
    x = 8,873,199,640,049,212/147,743,999.80
  6. Step 6: Final answer
    x = 60,057,935.70

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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.