Home / 88,573,651.20-132,860,476.80-82,116,643.05

Finding the Fourth Proportional to 88,573,651.20, 132,860,476.80 and 82,116,643.05

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Solution

The fourth proportional to 88,573,651.20, 132,860,476.80 and 82,116,643.05 is: 123,174,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,573,651.20 : 132,860,476.80 = 82,116,643.05 : x
  2. Step 2: Convert to fraction form
    88,573,651.20/132,860,476.80 = 82,116,643.05/x
  3. Step 3: Cross multiply
    88,573,651.20x = 132,860,476.80 × 82,116,643.05
  4. Step 4: Simplify right side
    88,573,651.20x = 10,910,056,348,838,406
  5. Step 5: Solve for x
    x = 10,910,056,348,838,406/88,573,651.20
  6. Step 6: Final answer
    x = 123,174,964.58

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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.