Home / 88,140,053.60-132,210,080.40-66,640,968.80

Finding the Fourth Proportional to 88,140,053.60, 132,210,080.40 and 66,640,968.80

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Solution

The fourth proportional to 88,140,053.60, 132,210,080.40 and 66,640,968.80 is: 99,961,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140,053.60 : 132,210,080.40 = 66,640,968.80 : x
  2. Step 2: Convert to fraction form
    88,140,053.60/132,210,080.40 = 66,640,968.80/x
  3. Step 3: Cross multiply
    88,140,053.60x = 132,210,080.40 × 66,640,968.80
  4. Step 4: Simplify right side
    88,140,053.60x = 8,810,607,842,981,892
  5. Step 5: Solve for x
    x = 8,810,607,842,981,892/88,140,053.60
  6. Step 6: Final answer
    x = 99,961,453.20

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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.