Home / 122,488,021.78-183,733,527.12-36,228,171.86

Finding the Fourth Proportional to 122,488,021.78, 183,733,527.12 and 36,228,171.86

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Solution

The fourth proportional to 122,488,021.78, 183,733,527.12 and 36,228,171.86 is: 54,342,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488,021.78 : 183,733,527.12 = 36,228,171.86 : x
  2. Step 2: Convert to fraction form
    122,488,021.78/183,733,527.12 = 36,228,171.86/x
  3. Step 3: Cross multiply
    122,488,021.78x = 183,733,527.12 × 36,228,171.86
  4. Step 4: Simplify right side
    122,488,021.78x = 6,656,329,796,947,331
  5. Step 5: Solve for x
    x = 6,656,329,796,947,331/122,488,021.78
  6. Step 6: Final answer
    x = 54,342,699.80

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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.