Home / 87,658,091.04-131,505,070.32-30,142,892.64

Finding the Fourth Proportional to 87,658,091.04, 131,505,070.32 and 30,142,892.64

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Solution

The fourth proportional to 87,658,091.04, 131,505,070.32 and 30,142,892.64 is: 45,220,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,658,091.04 : 131,505,070.32 = 30,142,892.64 : x
  2. Step 2: Convert to fraction form
    87,658,091.04/131,505,070.32 = 30,142,892.64/x
  3. Step 3: Cross multiply
    87,658,091.04x = 131,505,070.32 × 30,142,892.64
  4. Step 4: Simplify right side
    87,658,091.04x = 3,963,943,216,271,410.50
  5. Step 5: Solve for x
    x = 3,963,943,216,271,410.50/87,658,091.04
  6. Step 6: Final answer
    x = 45,220,505.82

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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.