Home / 88,214,429.80-132,069,702.30-85,695,005.80

Finding the Fourth Proportional to 88,214,429.80, 132,069,702.30 and 85,695,005.80

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Solution

The fourth proportional to 88,214,429.80, 132,069,702.30 and 85,695,005.80 is: 128,297,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214,429.80 : 132,069,702.30 = 85,695,005.80 : x
  2. Step 2: Convert to fraction form
    88,214,429.80/132,069,702.30 = 85,695,005.80/x
  3. Step 3: Cross multiply
    88,214,429.80x = 132,069,702.30 × 85,695,005.80
  4. Step 4: Simplify right side
    88,214,429.80x = 11,317,713,904,602,772
  5. Step 5: Solve for x
    x = 11,317,713,904,602,772/88,214,429.80
  6. Step 6: Final answer
    x = 128,297,761.83

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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.