Home / 166,486,342.20-249,729,513.30-163,616,560.80

Finding the Fourth Proportional to 166,486,342.20, 249,729,513.30 and 163,616,560.80

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Solution

The fourth proportional to 166,486,342.20, 249,729,513.30 and 163,616,560.80 is: 245,424,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486,342.20 : 249,729,513.30 = 163,616,560.80 : x
  2. Step 2: Convert to fraction form
    166,486,342.20/249,729,513.30 = 163,616,560.80/x
  3. Step 3: Cross multiply
    166,486,342.20x = 249,729,513.30 × 163,616,560.80
  4. Step 4: Simplify right side
    166,486,342.20x = 40,859,884,096,403,864
  5. Step 5: Solve for x
    x = 40,859,884,096,403,864/166,486,342.20
  6. Step 6: Final answer
    x = 245,424,841.20

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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.