Home / 118,842,562.80-178,263,844.20-103,726,018.80

Finding the Fourth Proportional to 118,842,562.80, 178,263,844.20 and 103,726,018.80

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Solution

The fourth proportional to 118,842,562.80, 178,263,844.20 and 103,726,018.80 is: 155,589,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,842,562.80 : 178,263,844.20 = 103,726,018.80 : x
  2. Step 2: Convert to fraction form
    118,842,562.80/178,263,844.20 = 103,726,018.80/x
  3. Step 3: Cross multiply
    118,842,562.80x = 178,263,844.20 × 103,726,018.80
  4. Step 4: Simplify right side
    118,842,562.80x = 18,490,598,854,849,468
  5. Step 5: Solve for x
    x = 18,490,598,854,849,468/118,842,562.80
  6. Step 6: Final answer
    x = 155,589,028.20

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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.