Home / 81,242,358.18-112,114,454.28-46,435,795.96

Finding the Fourth Proportional to 81,242,358.18, 112,114,454.28 and 46,435,795.96

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Solution

The fourth proportional to 81,242,358.18, 112,114,454.28 and 46,435,795.96 is: 64,081,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,242,358.18 : 112,114,454.28 = 46,435,795.96 : x
  2. Step 2: Convert to fraction form
    81,242,358.18/112,114,454.28 = 46,435,795.96/x
  3. Step 3: Cross multiply
    81,242,358.18x = 112,114,454.28 × 46,435,795.96
  4. Step 4: Simplify right side
    81,242,358.18x = 5,206,123,923,112,829
  5. Step 5: Solve for x
    x = 5,206,123,923,112,829/81,242,358.18
  6. Step 6: Final answer
    x = 64,081,398.42

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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.