Home / 124,413,072.88-186,702,849.36-51,629,851.12

Finding the Fourth Proportional to 124,413,072.88, 186,702,849.36 and 51,629,851.12

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Solution

The fourth proportional to 124,413,072.88, 186,702,849.36 and 51,629,851.12 is: 77,479,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413,072.88 : 186,702,849.36 = 51,629,851.12 : x
  2. Step 2: Convert to fraction form
    124,413,072.88/186,702,849.36 = 51,629,851.12/x
  3. Step 3: Cross multiply
    124,413,072.88x = 186,702,849.36 × 51,629,851.12
  4. Step 4: Simplify right side
    124,413,072.88x = 9,639,440,316,136,588
  5. Step 5: Solve for x
    x = 9,639,440,316,136,588/124,413,072.88
  6. Step 6: Final answer
    x = 77,479,320.24

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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.