Home / 130,007,998.70-195,040,866.45-43,743,970.70

Finding the Fourth Proportional to 130,007,998.70, 195,040,866.45 and 43,743,970.70

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Solution

The fourth proportional to 130,007,998.70, 195,040,866.45 and 43,743,970.70 is: 65,625,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007,998.70 : 195,040,866.45 = 43,743,970.70 : x
  2. Step 2: Convert to fraction form
    130,007,998.70/195,040,866.45 = 43,743,970.70/x
  3. Step 3: Cross multiply
    130,007,998.70x = 195,040,866.45 × 43,743,970.70
  4. Step 4: Simplify right side
    130,007,998.70x = 8,531,861,947,291,413
  5. Step 5: Solve for x
    x = 8,531,861,947,291,413/130,007,998.70
  6. Step 6: Final answer
    x = 65,625,669.44

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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.