Home / 166,089,129.20-249,132,381.60-43,267,209.20

Finding the Fourth Proportional to 166,089,129.20, 249,132,381.60 and 43,267,209.20

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Solution

The fourth proportional to 166,089,129.20, 249,132,381.60 and 43,267,209.20 is: 64,900,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089,129.20 : 249,132,381.60 = 43,267,209.20 : x
  2. Step 2: Convert to fraction form
    166,089,129.20/249,132,381.60 = 43,267,209.20/x
  3. Step 3: Cross multiply
    166,089,129.20x = 249,132,381.60 × 43,267,209.20
  4. Step 4: Simplify right side
    166,089,129.20x = 10,779,262,873,181,432
  5. Step 5: Solve for x
    x = 10,779,262,873,181,432/166,089,129.20
  6. Step 6: Final answer
    x = 64,900,471.96

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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.