Home / 278,001,664.75-383,648,157-152,552,763.40

Finding the Fourth Proportional to 278,001,664.75, 383,648,157 and 152,552,763.40

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Solution

The fourth proportional to 278,001,664.75, 383,648,157 and 152,552,763.40 is: 210,526,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,001,664.75 : 383,648,157 = 152,552,763.40 : x
  2. Step 2: Convert to fraction form
    278,001,664.75/383,648,157 = 152,552,763.40/x
  3. Step 3: Cross multiply
    278,001,664.75x = 383,648,157 × 152,552,763.40
  4. Step 4: Simplify right side
    278,001,664.75x = 58,526,586,523,667,056
  5. Step 5: Solve for x
    x = 58,526,586,523,667,056/278,001,664.75
  6. Step 6: Final answer
    x = 210,526,028.96

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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.