Home / 118,872,003.30-178,308,004.95-99,740,127.30

Finding the Fourth Proportional to 118,872,003.30, 178,308,004.95 and 99,740,127.30

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Solution

The fourth proportional to 118,872,003.30, 178,308,004.95 and 99,740,127.30 is: 149,610,190.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872,003.30 : 178,308,004.95 = 99,740,127.30 : x
  2. Step 2: Convert to fraction form
    118,872,003.30/178,308,004.95 = 99,740,127.30/x
  3. Step 3: Cross multiply
    118,872,003.30x = 178,308,004.95 × 99,740,127.30
  4. Step 4: Simplify right side
    118,872,003.30x = 17,784,463,112,322,028
  5. Step 5: Solve for x
    x = 17,784,463,112,322,028/118,872,003.30
  6. Step 6: Final answer
    x = 149,610,190.95

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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.