Home / 193,813,856.40-290,571,775.08-100,340,624.56

Finding the Fourth Proportional to 193,813,856.40, 290,571,775.08 and 100,340,624.56

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Solution

The fourth proportional to 193,813,856.40, 290,571,775.08 and 100,340,624.56 is: 150,433,792.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,813,856.40 : 290,571,775.08 = 100,340,624.56 : x
  2. Step 2: Convert to fraction form
    193,813,856.40/290,571,775.08 = 100,340,624.56/x
  3. Step 3: Cross multiply
    193,813,856.40x = 290,571,775.08 × 100,340,624.56
  4. Step 4: Simplify right side
    193,813,856.40x = 29,156,153,391,035,044
  5. Step 5: Solve for x
    x = 29,156,153,391,035,044/193,813,856.40
  6. Step 6: Final answer
    x = 150,433,792.16

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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.