Home / 156,728,145.02-234,580,653.80-115,218,031.64

Finding the Fourth Proportional to 156,728,145.02, 234,580,653.80 and 115,218,031.64

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Solution

The fourth proportional to 156,728,145.02, 234,580,653.80 and 115,218,031.64 is: 172,450,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,728,145.02 : 234,580,653.80 = 115,218,031.64 : x
  2. Step 2: Convert to fraction form
    156,728,145.02/234,580,653.80 = 115,218,031.64/x
  3. Step 3: Cross multiply
    156,728,145.02x = 234,580,653.80 × 115,218,031.64
  4. Step 4: Simplify right side
    156,728,145.02x = 27,027,921,190,990,884
  5. Step 5: Solve for x
    x = 27,027,921,190,990,884/156,728,145.02
  6. Step 6: Final answer
    x = 172,450,973.55

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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.