Home / 156,780,053.60-235,170,080.40-54,544,091.23

Finding the Fourth Proportional to 156,780,053.60, 235,170,080.40 and 54,544,091.23

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Solution

The fourth proportional to 156,780,053.60, 235,170,080.40 and 54,544,091.23 is: 81,816,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780,053.60 : 235,170,080.40 = 54,544,091.23 : x
  2. Step 2: Convert to fraction form
    156,780,053.60/235,170,080.40 = 54,544,091.23/x
  3. Step 3: Cross multiply
    156,780,053.60x = 235,170,080.40 × 54,544,091.23
  4. Step 4: Simplify right side
    156,780,053.60x = 12,827,138,319,904,034
  5. Step 5: Solve for x
    x = 12,827,138,319,904,034/156,780,053.60
  6. Step 6: Final answer
    x = 81,816,136.85

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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.