Home / 156,717,120.80-235,108,858.80-47,533,325.60

Finding the Fourth Proportional to 156,717,120.80, 235,108,858.80 and 47,533,325.60

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Solution

The fourth proportional to 156,717,120.80, 235,108,858.80 and 47,533,325.60 is: 71,310,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717,120.80 : 235,108,858.80 = 47,533,325.60 : x
  2. Step 2: Convert to fraction form
    156,717,120.80/235,108,858.80 = 47,533,325.60/x
  3. Step 3: Cross multiply
    156,717,120.80x = 235,108,858.80 × 47,533,325.60
  4. Step 4: Simplify right side
    156,717,120.80x = 11,175,505,936,784,826
  5. Step 5: Solve for x
    x = 11,175,505,936,784,826/156,717,120.80
  6. Step 6: Final answer
    x = 71,310,051.38

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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.