Home / 156,546,860.23-234,616,017.71-87,456,873.03

Finding the Fourth Proportional to 156,546,860.23, 234,616,017.71 and 87,456,873.03

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Solution

The fourth proportional to 156,546,860.23, 234,616,017.71 and 87,456,873.03 is: 131,071,190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,546,860.23 : 234,616,017.71 = 87,456,873.03 : x
  2. Step 2: Convert to fraction form
    156,546,860.23/234,616,017.71 = 87,456,873.03/x
  3. Step 3: Cross multiply
    156,546,860.23x = 234,616,017.71 × 87,456,873.03
  4. Step 4: Simplify right side
    156,546,860.23x = 20,518,783,271,667,704
  5. Step 5: Solve for x
    x = 20,518,783,271,667,704/156,546,860.23
  6. Step 6: Final answer
    x = 131,071,190.07

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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.