Home / 128,933,816.16-193,400,784.14-41,495,320.87

Finding the Fourth Proportional to 128,933,816.16, 193,400,784.14 and 41,495,320.87

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Solution

The fourth proportional to 128,933,816.16, 193,400,784.14 and 41,495,320.87 is: 62,243,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,933,816.16 : 193,400,784.14 = 41,495,320.87 : x
  2. Step 2: Convert to fraction form
    128,933,816.16/193,400,784.14 = 41,495,320.87/x
  3. Step 3: Cross multiply
    128,933,816.16x = 193,400,784.14 × 41,495,320.87
  4. Step 4: Simplify right side
    128,933,816.16x = 8,025,227,593,707,928
  5. Step 5: Solve for x
    x = 8,025,227,593,707,928/128,933,816.16
  6. Step 6: Final answer
    x = 62,243,000.58

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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.