Home / 104,844,980.38-157,290,172.16-40,148,787.76

Finding the Fourth Proportional to 104,844,980.38, 157,290,172.16 and 40,148,787.76

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Solution

The fourth proportional to 104,844,980.38, 157,290,172.16 and 40,148,787.76 is: 60,231,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,844,980.38 : 157,290,172.16 = 40,148,787.76 : x
  2. Step 2: Convert to fraction form
    104,844,980.38/157,290,172.16 = 40,148,787.76/x
  3. Step 3: Cross multiply
    104,844,980.38x = 157,290,172.16 × 40,148,787.76
  4. Step 4: Simplify right side
    104,844,980.38x = 6,315,009,738,785,700
  5. Step 5: Solve for x
    x = 6,315,009,738,785,700/104,844,980.38
  6. Step 6: Final answer
    x = 60,231,874.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.