Home / 128,800,792.48-193,066,784.88-52,176,710.56

Finding the Fourth Proportional to 128,800,792.48, 193,066,784.88 and 52,176,710.56

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Solution

The fourth proportional to 128,800,792.48, 193,066,784.88 and 52,176,710.56 is: 78,210,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,800,792.48 : 193,066,784.88 = 52,176,710.56 : x
  2. Step 2: Convert to fraction form
    128,800,792.48/193,066,784.88 = 52,176,710.56/x
  3. Step 3: Cross multiply
    128,800,792.48x = 193,066,784.88 × 52,176,710.56
  4. Step 4: Simplify right side
    128,800,792.48x = 10,073,589,753,433,544
  5. Step 5: Solve for x
    x = 10,073,589,753,433,544/128,800,792.48
  6. Step 6: Final answer
    x = 78,210,619.36

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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.