Home / 282,955,945.96-390,475,205.76-159,196,327.84

Finding the Fourth Proportional to 282,955,945.96, 390,475,205.76 and 159,196,327.84

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Solution

The fourth proportional to 282,955,945.96, 390,475,205.76 and 159,196,327.84 is: 219,688,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,955,945.96 : 390,475,205.76 = 159,196,327.84 : x
  2. Step 2: Convert to fraction form
    282,955,945.96/390,475,205.76 = 159,196,327.84/x
  3. Step 3: Cross multiply
    282,955,945.96x = 390,475,205.76 × 159,196,327.84
  4. Step 4: Simplify right side
    282,955,945.96x = 62,162,218,869,560,416
  5. Step 5: Solve for x
    x = 62,162,218,869,560,416/282,955,945.96
  6. Step 6: Final answer
    x = 219,688,682.13

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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.