Home / 309,462,809.29-464,095,731.22-102,162,621.97

Finding the Fourth Proportional to 309,462,809.29, 464,095,731.22 and 102,162,621.97

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Solution

The fourth proportional to 309,462,809.29, 464,095,731.22 and 102,162,621.97 is: 153,211,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,462,809.29 : 464,095,731.22 = 102,162,621.97 : x
  2. Step 2: Convert to fraction form
    309,462,809.29/464,095,731.22 = 102,162,621.97/x
  3. Step 3: Cross multiply
    309,462,809.29x = 464,095,731.22 × 102,162,621.97
  4. Step 4: Simplify right side
    309,462,809.29x = 47,413,236,744,071,408
  5. Step 5: Solve for x
    x = 47,413,236,744,071,408/309,462,809.29
  6. Step 6: Final answer
    x = 153,211,420.95

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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.