Home / 166,005,853.80-249,008,780.70-97,131,100.20

Finding the Fourth Proportional to 166,005,853.80, 249,008,780.70 and 97,131,100.20

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Solution

The fourth proportional to 166,005,853.80, 249,008,780.70 and 97,131,100.20 is: 145,696,650.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,005,853.80 : 249,008,780.70 = 97,131,100.20 : x
  2. Step 2: Convert to fraction form
    166,005,853.80/249,008,780.70 = 97,131,100.20/x
  3. Step 3: Cross multiply
    166,005,853.80x = 249,008,780.70 × 97,131,100.20
  4. Step 4: Simplify right side
    166,005,853.80x = 24,186,496,828,851,524
  5. Step 5: Solve for x
    x = 24,186,496,828,851,524/166,005,853.80
  6. Step 6: Final answer
    x = 145,696,650.30

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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.