Home / 166,168,841.79-249,030,462-129,325,221.42

Finding the Fourth Proportional to 166,168,841.79, 249,030,462 and 129,325,221.42

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Solution

The fourth proportional to 166,168,841.79, 249,030,462 and 129,325,221.42 is: 193,814,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,168,841.79 : 249,030,462 = 129,325,221.42 : x
  2. Step 2: Convert to fraction form
    166,168,841.79/249,030,462 = 129,325,221.42/x
  3. Step 3: Cross multiply
    166,168,841.79x = 249,030,462 × 129,325,221.42
  4. Step 4: Simplify right side
    166,168,841.79x = 32,205,919,638,474,896
  5. Step 5: Solve for x
    x = 32,205,919,638,474,896/166,168,841.79
  6. Step 6: Final answer
    x = 193,814,431.70

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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.