Home / 105,560,014.92-145,586,454.24-74,301,541.08

Finding the Fourth Proportional to 105,560,014.92, 145,586,454.24 and 74,301,541.08

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Solution

The fourth proportional to 105,560,014.92, 145,586,454.24 and 74,301,541.08 is: 102,475,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,560,014.92 : 145,586,454.24 = 74,301,541.08 : x
  2. Step 2: Convert to fraction form
    105,560,014.92/145,586,454.24 = 74,301,541.08/x
  3. Step 3: Cross multiply
    105,560,014.92x = 145,586,454.24 × 74,301,541.08
  4. Step 4: Simplify right side
    105,560,014.92x = 10,817,297,910,404,900
  5. Step 5: Solve for x
    x = 10,817,297,910,404,900/105,560,014.92
  6. Step 6: Final answer
    x = 102,475,335.18

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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.