Home / 81,145,278.93-111,983,193.05-44,475,943.89

Finding the Fourth Proportional to 81,145,278.93, 111,983,193.05 and 44,475,943.89

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Solution

The fourth proportional to 81,145,278.93, 111,983,193.05 and 44,475,943.89 is: 61,378,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,145,278.93 : 111,983,193.05 = 44,475,943.89 : x
  2. Step 2: Convert to fraction form
    81,145,278.93/111,983,193.05 = 44,475,943.89/x
  3. Step 3: Cross multiply
    81,145,278.93x = 111,983,193.05 × 44,475,943.89
  4. Step 4: Simplify right side
    81,145,278.93x = 4,980,558,210,492,458
  5. Step 5: Solve for x
    x = 4,980,558,210,492,458/81,145,278.93
  6. Step 6: Final answer
    x = 61,378,286.90

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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.