Home / 187,255,385.75-258,412,857.49-103,629,601.46

Finding the Fourth Proportional to 187,255,385.75, 258,412,857.49 and 103,629,601.46

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Solution

The fourth proportional to 187,255,385.75, 258,412,857.49 and 103,629,601.46 is: 143,009,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,255,385.75 : 258,412,857.49 = 103,629,601.46 : x
  2. Step 2: Convert to fraction form
    187,255,385.75/258,412,857.49 = 103,629,601.46/x
  3. Step 3: Cross multiply
    187,255,385.75x = 258,412,857.49 × 103,629,601.46
  4. Step 4: Simplify right side
    187,255,385.75x = 26,779,221,434,604,048
  5. Step 5: Solve for x
    x = 26,779,221,434,604,048/187,255,385.75
  6. Step 6: Final answer
    x = 143,009,085.30

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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.