Home / 104,856,006.40-157,284,009.60-68,576,300.80

Finding the Fourth Proportional to 104,856,006.40, 157,284,009.60 and 68,576,300.80

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Solution

The fourth proportional to 104,856,006.40, 157,284,009.60 and 68,576,300.80 is: 102,864,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,856,006.40 : 157,284,009.60 = 68,576,300.80 : x
  2. Step 2: Convert to fraction form
    104,856,006.40/157,284,009.60 = 68,576,300.80/x
  3. Step 3: Cross multiply
    104,856,006.40x = 157,284,009.60 × 68,576,300.80
  4. Step 4: Simplify right side
    104,856,006.40x = 10,785,955,553,359,686
  5. Step 5: Solve for x
    x = 10,785,955,553,359,686/104,856,006.40
  6. Step 6: Final answer
    x = 102,864,451.20

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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.