Home / 88,714,892.20-132,873,272.70-72,789,644.20

Finding the Fourth Proportional to 88,714,892.20, 132,873,272.70 and 72,789,644.20

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Solution

The fourth proportional to 88,714,892.20, 132,873,272.70 and 72,789,644.20 is: 109,021,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,714,892.20 : 132,873,272.70 = 72,789,644.20 : x
  2. Step 2: Convert to fraction form
    88,714,892.20/132,873,272.70 = 72,789,644.20/x
  3. Step 3: Cross multiply
    88,714,892.20x = 132,873,272.70 × 72,789,644.20
  4. Step 4: Simplify right side
    88,714,892.20x = 9,671,798,243,522,574
  5. Step 5: Solve for x
    x = 9,671,798,243,522,574/88,714,892.20
  6. Step 6: Final answer
    x = 109,021,135.05

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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.