Home / 156,447,807.60-234,777,999.60-87,360,477.60

Finding the Fourth Proportional to 156,447,807.60, 234,777,999.60 and 87,360,477.60

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Solution

The fourth proportional to 156,447,807.60, 234,777,999.60 and 87,360,477.60 is: 131,100,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,447,807.60 : 234,777,999.60 = 87,360,477.60 : x
  2. Step 2: Convert to fraction form
    156,447,807.60/234,777,999.60 = 87,360,477.60/x
  3. Step 3: Cross multiply
    156,447,807.60x = 234,777,999.60 × 87,360,477.60
  4. Step 4: Simplify right side
    156,447,807.60x = 20,510,318,175,028,608
  5. Step 5: Solve for x
    x = 20,510,318,175,028,608/156,447,807.60
  6. Step 6: Final answer
    x = 131,100,067.75

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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.