Home / 156,621,779.40-234,932,669.13-133,443,078.60

Finding the Fourth Proportional to 156,621,779.40, 234,932,669.13 and 133,443,078.60

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Solution

The fourth proportional to 156,621,779.40, 234,932,669.13 and 133,443,078.60 is: 200,164,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621,779.40 : 234,932,669.13 = 133,443,078.60 : x
  2. Step 2: Convert to fraction form
    156,621,779.40/234,932,669.13 = 133,443,078.60/x
  3. Step 3: Cross multiply
    156,621,779.40x = 234,932,669.13 × 133,443,078.60
  4. Step 4: Simplify right side
    156,621,779.40x = 31,350,138,632,422,380
  5. Step 5: Solve for x
    x = 31,350,138,632,422,380/156,621,779.40
  6. Step 6: Final answer
    x = 200,164,617.93

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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.