Home / 187,205,021.37-280,261,131.95-109,243,020.33

Finding the Fourth Proportional to 187,205,021.37, 280,261,131.95 and 109,243,020.33

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Solution

The fourth proportional to 187,205,021.37, 280,261,131.95 and 109,243,020.33 is: 163,545,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,205,021.37 : 280,261,131.95 = 109,243,020.33 : x
  2. Step 2: Convert to fraction form
    187,205,021.37/280,261,131.95 = 109,243,020.33/x
  3. Step 3: Cross multiply
    187,205,021.37x = 280,261,131.95 × 109,243,020.33
  4. Step 4: Simplify right side
    187,205,021.37x = 30,616,572,534,776,448
  5. Step 5: Solve for x
    x = 30,616,572,534,776,448/187,205,021.37
  6. Step 6: Final answer
    x = 163,545,680.08

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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.