Home / 166,038,123.36-229,065,887.52-104,135,875.68

Finding the Fourth Proportional to 166,038,123.36, 229,065,887.52 and 104,135,875.68

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Solution

The fourth proportional to 166,038,123.36, 229,065,887.52 and 104,135,875.68 is: 143,665,661.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,038,123.36 : 229,065,887.52 = 104,135,875.68 : x
  2. Step 2: Convert to fraction form
    166,038,123.36/229,065,887.52 = 104,135,875.68/x
  3. Step 3: Cross multiply
    166,038,123.36x = 229,065,887.52 × 104,135,875.68
  4. Step 4: Simplify right side
    166,038,123.36x = 23,853,976,785,311,588
  5. Step 5: Solve for x
    x = 23,853,976,785,311,588/166,038,123.36
  6. Step 6: Final answer
    x = 143,665,661.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.