Home / 282,753,907.45-390,203,983.23-155,609,224.67

Finding the Fourth Proportional to 282,753,907.45, 390,203,983.23 and 155,609,224.67

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Solution

The fourth proportional to 282,753,907.45, 390,203,983.23 and 155,609,224.67 is: 214,742,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,753,907.45 : 390,203,983.23 = 155,609,224.67 : x
  2. Step 2: Convert to fraction form
    282,753,907.45/390,203,983.23 = 155,609,224.67/x
  3. Step 3: Cross multiply
    282,753,907.45x = 390,203,983.23 × 155,609,224.67
  4. Step 4: Simplify right side
    282,753,907.45x = 60,719,339,293,957,960
  5. Step 5: Solve for x
    x = 60,719,339,293,957,960/282,753,907.45
  6. Step 6: Final answer
    x = 214,742,706.27

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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.