Home / 88,129,051.80-132,193,577.70-82,157,083.80

Finding the Fourth Proportional to 88,129,051.80, 132,193,577.70 and 82,157,083.80

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Solution

The fourth proportional to 88,129,051.80, 132,193,577.70 and 82,157,083.80 is: 123,235,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129,051.80 : 132,193,577.70 = 82,157,083.80 : x
  2. Step 2: Convert to fraction form
    88,129,051.80/132,193,577.70 = 82,157,083.80/x
  3. Step 3: Cross multiply
    88,129,051.80x = 132,193,577.70 × 82,157,083.80
  4. Step 4: Simplify right side
    88,129,051.80x = 10,860,638,840,920,712
  5. Step 5: Solve for x
    x = 10,860,638,840,920,712/88,129,051.80
  6. Step 6: Final answer
    x = 123,235,625.70

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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.