Home / 282,467,168.82-423,702,106.43-85,732,291.02

Finding the Fourth Proportional to 282,467,168.82, 423,702,106.43 and 85,732,291.02

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Solution

The fourth proportional to 282,467,168.82, 423,702,106.43 and 85,732,291.02 is: 128,598,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,467,168.82 : 423,702,106.43 = 85,732,291.02 : x
  2. Step 2: Convert to fraction form
    282,467,168.82/423,702,106.43 = 85,732,291.02/x
  3. Step 3: Cross multiply
    282,467,168.82x = 423,702,106.43 × 85,732,291.02
  4. Step 4: Simplify right side
    282,467,168.82x = 36,324,952,294,243,776
  5. Step 5: Solve for x
    x = 36,324,952,294,243,776/282,467,168.82
  6. Step 6: Final answer
    x = 128,598,847.24

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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.