Home / 156,558,540.02-216,044,866.24-86,948,404.92

Finding the Fourth Proportional to 156,558,540.02, 216,044,866.24 and 86,948,404.92

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Solution

The fourth proportional to 156,558,540.02, 216,044,866.24 and 86,948,404.92 is: 119,985,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558,540.02 : 216,044,866.24 = 86,948,404.92 : x
  2. Step 2: Convert to fraction form
    156,558,540.02/216,044,866.24 = 86,948,404.92/x
  3. Step 3: Cross multiply
    156,558,540.02x = 216,044,866.24 × 86,948,404.92
  4. Step 4: Simplify right side
    156,558,540.02x = 18,784,756,510,505,388
  5. Step 5: Solve for x
    x = 18,784,756,510,505,388/156,558,540.02
  6. Step 6: Final answer
    x = 119,985,511.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.