Home / 81,242,357.86-112,114,453.85-46,435,795.64

Finding the Fourth Proportional to 81,242,357.86, 112,114,453.85 and 46,435,795.64

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Solution

The fourth proportional to 81,242,357.86, 112,114,453.85 and 46,435,795.64 is: 64,081,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,357.86 : 112,114,453.85 = 46,435,795.64 : x
  2. Step 2: Convert to fraction form
    81,242,357.86/112,114,453.85 = 46,435,795.64/x
  3. Step 3: Cross multiply
    81,242,357.86x = 112,114,453.85 × 46,435,795.64
  4. Step 4: Simplify right side
    81,242,357.86x = 5,206,123,867,070,623
  5. Step 5: Solve for x
    x = 5,206,123,867,070,623/81,242,357.86
  6. Step 6: Final answer
    x = 64,081,397.98

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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.