Home / 137,771,740.72-206,657,611.02-56,992,708.72

Finding the Fourth Proportional to 137,771,740.72, 206,657,611.02 and 56,992,708.72

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Solution

The fourth proportional to 137,771,740.72, 206,657,611.02 and 56,992,708.72 is: 85,489,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,771,740.72 : 206,657,611.02 = 56,992,708.72 : x
  2. Step 2: Convert to fraction form
    137,771,740.72/206,657,611.02 = 56,992,708.72/x
  3. Step 3: Cross multiply
    137,771,740.72x = 206,657,611.02 × 56,992,708.72
  4. Step 4: Simplify right side
    137,771,740.72x = 11,777,977,029,633,922
  5. Step 5: Solve for x
    x = 11,777,977,029,633,922/137,771,740.72
  6. Step 6: Final answer
    x = 85,489,063.06

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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.