Home / 128,992,304.64-193,487,256-52,297,102.56

Finding the Fourth Proportional to 128,992,304.64, 193,487,256 and 52,297,102.56

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Solution

The fourth proportional to 128,992,304.64, 193,487,256 and 52,297,102.56 is: 78,445,166.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,992,304.64 : 193,487,256 = 52,297,102.56 : x
  2. Step 2: Convert to fraction form
    128,992,304.64/193,487,256 = 52,297,102.56/x
  3. Step 3: Cross multiply
    128,992,304.64x = 193,487,256 × 52,297,102.56
  4. Step 4: Simplify right side
    128,992,304.64x = 10,118,822,871,084,976
  5. Step 5: Solve for x
    x = 10,118,822,871,084,976/128,992,304.64
  6. Step 6: Final answer
    x = 78,445,166.94

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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.