Home / 125,314,022.70-187,970,775.54-70,701,816.96

Finding the Fourth Proportional to 125,314,022.70, 187,970,775.54 and 70,701,816.96

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Solution

The fourth proportional to 125,314,022.70, 187,970,775.54 and 70,701,816.96 is: 106,052,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,314,022.70 : 187,970,775.54 = 70,701,816.96 : x
  2. Step 2: Convert to fraction form
    125,314,022.70/187,970,775.54 = 70,701,816.96/x
  3. Step 3: Cross multiply
    125,314,022.70x = 187,970,775.54 × 70,701,816.96
  4. Step 4: Simplify right side
    125,314,022.70x = 13,289,875,366,058,324
  5. Step 5: Solve for x
    x = 13,289,875,366,058,324/125,314,022.70
  6. Step 6: Final answer
    x = 106,052,579.59

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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.