Home / 166,104,043.20-249,156,064.80-84,474,705.60

Finding the Fourth Proportional to 166,104,043.20, 249,156,064.80 and 84,474,705.60

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Solution

The fourth proportional to 166,104,043.20, 249,156,064.80 and 84,474,705.60 is: 126,712,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,104,043.20 : 249,156,064.80 = 84,474,705.60 : x
  2. Step 2: Convert to fraction form
    166,104,043.20/249,156,064.80 = 84,474,705.60/x
  3. Step 3: Cross multiply
    166,104,043.20x = 249,156,064.80 × 84,474,705.60
  4. Step 4: Simplify right side
    166,104,043.20x = 21,047,385,222,434,524
  5. Step 5: Solve for x
    x = 21,047,385,222,434,524/166,104,043.20
  6. Step 6: Final answer
    x = 126,712,058.40

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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.