Home / 166,436,657.20-249,654,985.80-115,376,330.80

Finding the Fourth Proportional to 166,436,657.20, 249,654,985.80 and 115,376,330.80

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Solution

The fourth proportional to 166,436,657.20, 249,654,985.80 and 115,376,330.80 is: 173,064,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,436,657.20 : 249,654,985.80 = 115,376,330.80 : x
  2. Step 2: Convert to fraction form
    166,436,657.20/249,654,985.80 = 115,376,330.80/x
  3. Step 3: Cross multiply
    166,436,657.20x = 249,654,985.80 × 115,376,330.80
  4. Step 4: Simplify right side
    166,436,657.20x = 28,804,276,227,530,104
  5. Step 5: Solve for x
    x = 28,804,276,227,530,104/166,436,657.20
  6. Step 6: Final answer
    x = 173,064,496.20

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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.