Home / 282,958,918.92-424,438,378.38-78,486,994.14

Finding the Fourth Proportional to 282,958,918.92, 424,438,378.38 and 78,486,994.14

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Solution

The fourth proportional to 282,958,918.92, 424,438,378.38 and 78,486,994.14 is: 117,730,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958,918.92 : 424,438,378.38 = 78,486,994.14 : x
  2. Step 2: Convert to fraction form
    282,958,918.92/424,438,378.38 = 78,486,994.14/x
  3. Step 3: Cross multiply
    282,958,918.92x = 424,438,378.38 × 78,486,994.14
  4. Step 4: Simplify right side
    282,958,918.92x = 33,312,892,516,702,164
  5. Step 5: Solve for x
    x = 33,312,892,516,702,164/282,958,918.92
  6. Step 6: Final answer
    x = 117,730,491.21

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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.