Home / 166,038,129.40-229,065,895.80-104,135,881.72

Finding the Fourth Proportional to 166,038,129.40, 229,065,895.80 and 104,135,881.72

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Solution

The fourth proportional to 166,038,129.40, 229,065,895.80 and 104,135,881.72 is: 143,665,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,038,129.40 : 229,065,895.80 = 104,135,881.72 : x
  2. Step 2: Convert to fraction form
    166,038,129.40/229,065,895.80 = 104,135,881.72/x
  3. Step 3: Cross multiply
    166,038,129.40x = 229,065,895.80 × 104,135,881.72
  4. Step 4: Simplify right side
    166,038,129.40x = 23,853,979,031,114,644
  5. Step 5: Solve for x
    x = 23,853,979,031,114,644/166,038,129.40
  6. Step 6: Final answer
    x = 143,665,669.55

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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.