Home / 276,309,292.89-381,340,260.54-157,260,830.03

Finding the Fourth Proportional to 276,309,292.89, 381,340,260.54 and 157,260,830.03

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Solution

The fourth proportional to 276,309,292.89, 381,340,260.54 and 157,260,830.03 is: 217,038,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,292.89 : 381,340,260.54 = 157,260,830.03 : x
  2. Step 2: Convert to fraction form
    276,309,292.89/381,340,260.54 = 157,260,830.03/x
  3. Step 3: Cross multiply
    276,309,292.89x = 381,340,260.54 × 157,260,830.03
  4. Step 4: Simplify right side
    276,309,292.89x = 59,969,885,894,470,160
  5. Step 5: Solve for x
    x = 59,969,885,894,470,160/276,309,292.89
  6. Step 6: Final answer
    x = 217,038,975.66

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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.