Home / 88,129,053.80-132,193,580.70-82,157,085.80

Finding the Fourth Proportional to 88,129,053.80, 132,193,580.70 and 82,157,085.80

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Solution

The fourth proportional to 88,129,053.80, 132,193,580.70 and 82,157,085.80 is: 123,235,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129,053.80 : 132,193,580.70 = 82,157,085.80 : x
  2. Step 2: Convert to fraction form
    88,129,053.80/132,193,580.70 = 82,157,085.80/x
  3. Step 3: Cross multiply
    88,129,053.80x = 132,193,580.70 × 82,157,085.80
  4. Step 4: Simplify right side
    88,129,053.80x = 10,860,639,351,779,124
  5. Step 5: Solve for x
    x = 10,860,639,351,779,124/88,129,053.80
  6. Step 6: Final answer
    x = 123,235,628.70

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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.