Home / 131,656,552.47-181,617,160.19-81,404,707.46

Finding the Fourth Proportional to 131,656,552.47, 181,617,160.19 and 81,404,707.46

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Solution

The fourth proportional to 131,656,552.47, 181,617,160.19 and 81,404,707.46 is: 112,295,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,656,552.47 : 181,617,160.19 = 81,404,707.46 : x
  2. Step 2: Convert to fraction form
    131,656,552.47/181,617,160.19 = 81,404,707.46/x
  3. Step 3: Cross multiply
    131,656,552.47x = 181,617,160.19 × 81,404,707.46
  4. Step 4: Simplify right side
    131,656,552.47x = 14,784,491,793,667,798
  5. Step 5: Solve for x
    x = 14,784,491,793,667,798/131,656,552.47
  6. Step 6: Final answer
    x = 112,295,905.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.