Home / 276,270,980.58-381,251,614.86-152,509,000.50

Finding the Fourth Proportional to 276,270,980.58, 381,251,614.86 and 152,509,000.50

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Solution

The fourth proportional to 276,270,980.58, 381,251,614.86 and 152,509,000.50 is: 210,461,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,270,980.58 : 381,251,614.86 = 152,509,000.50 : x
  2. Step 2: Convert to fraction form
    276,270,980.58/381,251,614.86 = 152,509,000.50/x
  3. Step 3: Cross multiply
    276,270,980.58x = 381,251,614.86 × 152,509,000.50
  4. Step 4: Simplify right side
    276,270,980.58x = 58,144,302,721,309,552
  5. Step 5: Solve for x
    x = 58,144,302,721,309,552/276,270,980.58
  6. Step 6: Final answer
    x = 210,461,129.86

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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.