Home / 279,714,554.93-419,500,264.31-82,931,953.47

Finding the Fourth Proportional to 279,714,554.93, 419,500,264.31 and 82,931,953.47

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Solution

The fourth proportional to 279,714,554.93, 419,500,264.31 and 82,931,953.47 is: 124,376,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,714,554.93 : 419,500,264.31 = 82,931,953.47 : x
  2. Step 2: Convert to fraction form
    279,714,554.93/419,500,264.31 = 82,931,953.47/x
  3. Step 3: Cross multiply
    279,714,554.93x = 419,500,264.31 × 82,931,953.47
  4. Step 4: Simplify right side
    279,714,554.93x = 34,789,976,400,409,620
  5. Step 5: Solve for x
    x = 34,789,976,400,409,620/279,714,554.93
  6. Step 6: Final answer
    x = 124,376,711.14

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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.