Home / 87,822,664.47-121,155,533.06-53,004,224.79

Finding the Fourth Proportional to 87,822,664.47, 121,155,533.06 and 53,004,224.79

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Solution

The fourth proportional to 87,822,664.47, 121,155,533.06 and 53,004,224.79 is: 73,121,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,822,664.47 : 121,155,533.06 = 53,004,224.79 : x
  2. Step 2: Convert to fraction form
    87,822,664.47/121,155,533.06 = 53,004,224.79/x
  3. Step 3: Cross multiply
    87,822,664.47x = 121,155,533.06 × 53,004,224.79
  4. Step 4: Simplify right side
    87,822,664.47x = 6,421,755,108,599,496
  5. Step 5: Solve for x
    x = 6,421,755,108,599,496/87,822,664.47
  6. Step 6: Final answer
    x = 73,121,843.29

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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.