Home / 127,815,491.80-191,723,237.70-41,556,712.60

Finding the Fourth Proportional to 127,815,491.80, 191,723,237.70 and 41,556,712.60

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Solution

The fourth proportional to 127,815,491.80, 191,723,237.70 and 41,556,712.60 is: 62,335,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,815,491.80 : 191,723,237.70 = 41,556,712.60 : x
  2. Step 2: Convert to fraction form
    127,815,491.80/191,723,237.70 = 41,556,712.60/x
  3. Step 3: Cross multiply
    127,815,491.80x = 191,723,237.70 × 41,556,712.60
  4. Step 4: Simplify right side
    127,815,491.80x = 7,967,387,487,840,385
  5. Step 5: Solve for x
    x = 7,967,387,487,840,385/127,815,491.80
  6. Step 6: Final answer
    x = 62,335,068.90

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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.