Home / 100,376,164.54-150,571,443.12-42,025,123.72

Finding the Fourth Proportional to 100,376,164.54, 150,571,443.12 and 42,025,123.72

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Solution

The fourth proportional to 100,376,164.54, 150,571,443.12 and 42,025,123.72 is: 63,040,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,376,164.54 : 150,571,443.12 = 42,025,123.72 : x
  2. Step 2: Convert to fraction form
    100,376,164.54/150,571,443.12 = 42,025,123.72/x
  3. Step 3: Cross multiply
    100,376,164.54x = 150,571,443.12 × 42,025,123.72
  4. Step 4: Simplify right side
    100,376,164.54x = 6,327,783,525,816,943
  5. Step 5: Solve for x
    x = 6,327,783,525,816,943/100,376,164.54
  6. Step 6: Final answer
    x = 63,040,698.50

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1.5x scale

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.