Home / 282,955,940.69-390,475,198.53-159,196,322.57

Finding the Fourth Proportional to 282,955,940.69, 390,475,198.53 and 159,196,322.57

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Solution

The fourth proportional to 282,955,940.69, 390,475,198.53 and 159,196,322.57 is: 219,688,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,940.69 : 390,475,198.53 = 159,196,322.57 : x
  2. Step 2: Convert to fraction form
    282,955,940.69/390,475,198.53 = 159,196,322.57/x
  3. Step 3: Cross multiply
    282,955,940.69x = 390,475,198.53 × 159,196,322.57
  4. Step 4: Simplify right side
    282,955,940.69x = 62,162,215,658,814,288
  5. Step 5: Solve for x
    x = 62,162,215,658,814,288/282,955,940.69
  6. Step 6: Final answer
    x = 219,688,674.88

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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.