Home / 88,019,875.60-132,029,813.40-84,287,978.80

Finding the Fourth Proportional to 88,019,875.60, 132,029,813.40 and 84,287,978.80

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Solution

The fourth proportional to 88,019,875.60, 132,029,813.40 and 84,287,978.80 is: 126,431,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,019,875.60 : 132,029,813.40 = 84,287,978.80 : x
  2. Step 2: Convert to fraction form
    88,019,875.60/132,029,813.40 = 84,287,978.80/x
  3. Step 3: Cross multiply
    88,019,875.60x = 132,029,813.40 × 84,287,978.80
  4. Step 4: Simplify right side
    88,019,875.60x = 11,128,526,112,827,156
  5. Step 5: Solve for x
    x = 11,128,526,112,827,156/88,019,875.60
  6. Step 6: Final answer
    x = 126,431,968.20

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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.