Home / 103,161,936.33-142,364,647.58-59,108,050.80

Finding the Fourth Proportional to 103,161,936.33, 142,364,647.58 and 59,108,050.80

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Solution

The fourth proportional to 103,161,936.33, 142,364,647.58 and 59,108,050.80 is: 81,569,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,161,936.33 : 142,364,647.58 = 59,108,050.80 : x
  2. Step 2: Convert to fraction form
    103,161,936.33/142,364,647.58 = 59,108,050.80/x
  3. Step 3: Cross multiply
    103,161,936.33x = 142,364,647.58 × 59,108,050.80
  4. Step 4: Simplify right side
    103,161,936.33x = 8,414,896,820,987,196
  5. Step 5: Solve for x
    x = 8,414,896,820,987,196/103,161,936.33
  6. Step 6: Final answer
    x = 81,569,783.59

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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.