Home / 131,106,654.88-180,927,156.45-72,369,304.43

Finding the Fourth Proportional to 131,106,654.88, 180,927,156.45 and 72,369,304.43

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Solution

The fourth proportional to 131,106,654.88, 180,927,156.45 and 72,369,304.43 is: 99,869,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106,654.88 : 180,927,156.45 = 72,369,304.43 : x
  2. Step 2: Convert to fraction form
    131,106,654.88/180,927,156.45 = 72,369,304.43/x
  3. Step 3: Cross multiply
    131,106,654.88x = 180,927,156.45 × 72,369,304.43
  4. Step 4: Simplify right side
    131,106,654.88x = 13,093,572,464,253,452
  5. Step 5: Solve for x
    x = 13,093,572,464,253,452/131,106,654.88
  6. Step 6: Final answer
    x = 99,869,625.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.