Home / 262,638,918.99-362,443,132.17-143,561,670.84

Finding the Fourth Proportional to 262,638,918.99, 362,443,132.17 and 143,561,670.84

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Solution

The fourth proportional to 262,638,918.99, 362,443,132.17 and 143,561,670.84 is: 198,115,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,638,918.99 : 362,443,132.17 = 143,561,670.84 : x
  2. Step 2: Convert to fraction form
    262,638,918.99/362,443,132.17 = 143,561,670.84/x
  3. Step 3: Cross multiply
    262,638,918.99x = 362,443,132.17 × 143,561,670.84
  4. Step 4: Simplify right side
    262,638,918.99x = 52,032,941,638,808,160
  5. Step 5: Solve for x
    x = 52,032,941,638,808,160/262,638,918.99
  6. Step 6: Final answer
    x = 198,115,884.12

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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.