Home / 166,036,905.40-249,055,358.10-105,720,028.60

Finding the Fourth Proportional to 166,036,905.40, 249,055,358.10 and 105,720,028.60

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Solution

The fourth proportional to 166,036,905.40, 249,055,358.10 and 105,720,028.60 is: 158,580,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,905.40 : 249,055,358.10 = 105,720,028.60 : x
  2. Step 2: Convert to fraction form
    166,036,905.40/249,055,358.10 = 105,720,028.60/x
  3. Step 3: Cross multiply
    166,036,905.40x = 249,055,358.10 × 105,720,028.60
  4. Step 4: Simplify right side
    166,036,905.40x = 26,330,139,581,315,240
  5. Step 5: Solve for x
    x = 26,330,139,581,315,240/166,036,905.40
  6. Step 6: Final answer
    x = 158,580,042.90

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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.