Home / 166,086,143.40-249,129,215.10-157,772,044.20

Finding the Fourth Proportional to 166,086,143.40, 249,129,215.10 and 157,772,044.20

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Solution

The fourth proportional to 166,086,143.40, 249,129,215.10 and 157,772,044.20 is: 236,658,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,086,143.40 : 249,129,215.10 = 157,772,044.20 : x
  2. Step 2: Convert to fraction form
    166,086,143.40/249,129,215.10 = 157,772,044.20/x
  3. Step 3: Cross multiply
    166,086,143.40x = 249,129,215.10 × 157,772,044.20
  4. Step 4: Simplify right side
    166,086,143.40x = 39,305,625,536,268,504
  5. Step 5: Solve for x
    x = 39,305,625,536,268,504/166,086,143.40
  6. Step 6: Final answer
    x = 236,658,066.30

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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.