Home / 236,328,697.20-354,857,999.40-128,833,273.20

Finding the Fourth Proportional to 236,328,697.20, 354,857,999.40 and 128,833,273.20

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Solution

The fourth proportional to 236,328,697.20, 354,857,999.40 and 128,833,273.20 is: 193,448,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,328,697.20 : 354,857,999.40 = 128,833,273.20 : x
  2. Step 2: Convert to fraction form
    236,328,697.20/354,857,999.40 = 128,833,273.20/x
  3. Step 3: Cross multiply
    236,328,697.20x = 354,857,999.40 × 128,833,273.20
  4. Step 4: Simplify right side
    236,328,697.20x = 45,717,517,583,905,632
  5. Step 5: Solve for x
    x = 45,717,517,583,905,632/236,328,697.20
  6. Step 6: Final answer
    x = 193,448,862.22

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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.