Home / 166,036,906.40-249,055,359.60-105,720,029.60

Finding the Fourth Proportional to 166,036,906.40, 249,055,359.60 and 105,720,029.60

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Solution

The fourth proportional to 166,036,906.40, 249,055,359.60 and 105,720,029.60 is: 158,580,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,906.40 : 249,055,359.60 = 105,720,029.60 : x
  2. Step 2: Convert to fraction form
    166,036,906.40/249,055,359.60 = 105,720,029.60/x
  3. Step 3: Cross multiply
    166,036,906.40x = 249,055,359.60 × 105,720,029.60
  4. Step 4: Simplify right side
    166,036,906.40x = 26,330,139,988,950,644
  5. Step 5: Solve for x
    x = 26,330,139,988,950,644/166,036,906.40
  6. Step 6: Final answer
    x = 158,580,044.40

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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.