Home / 166,036,900.40-249,055,350.60-105,720,023.60

Finding the Fourth Proportional to 166,036,900.40, 249,055,350.60 and 105,720,023.60

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Solution

The fourth proportional to 166,036,900.40, 249,055,350.60 and 105,720,023.60 is: 158,580,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036,900.40 : 249,055,350.60 = 105,720,023.60 : x
  2. Step 2: Convert to fraction form
    166,036,900.40/249,055,350.60 = 105,720,023.60/x
  3. Step 3: Cross multiply
    166,036,900.40x = 249,055,350.60 × 105,720,023.60
  4. Step 4: Simplify right side
    166,036,900.40x = 26,330,137,543,138,272
  5. Step 5: Solve for x
    x = 26,330,137,543,138,272/166,036,900.40
  6. Step 6: Final answer
    x = 158,580,035.40

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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.