Home / 71,850,329.60-99,153,439.57-38,810,579.06

Finding the Fourth Proportional to 71,850,329.60, 99,153,439.57 and 38,810,579.06

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Solution

The fourth proportional to 71,850,329.60, 99,153,439.57 and 38,810,579.06 is: 53,558,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,850,329.60 : 99,153,439.57 = 38,810,579.06 : x
  2. Step 2: Convert to fraction form
    71,850,329.60/99,153,439.57 = 38,810,579.06/x
  3. Step 3: Cross multiply
    71,850,329.60x = 99,153,439.57 × 38,810,579.06
  4. Step 4: Simplify right side
    71,850,329.60x = 3,848,202,404,909,623.50
  5. Step 5: Solve for x
    x = 3,848,202,404,909,623.50/71,850,329.60
  6. Step 6: Final answer
    x = 53,558,590.85

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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.