Home / 105,186,890.88-145,155,124.80-58,777,525.44

Finding the Fourth Proportional to 105,186,890.88, 145,155,124.80 and 58,777,525.44

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Solution

The fourth proportional to 105,186,890.88, 145,155,124.80 and 58,777,525.44 is: 81,111,429.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,186,890.88 : 145,155,124.80 = 58,777,525.44 : x
  2. Step 2: Convert to fraction form
    105,186,890.88/145,155,124.80 = 58,777,525.44/x
  3. Step 3: Cross multiply
    105,186,890.88x = 145,155,124.80 × 58,777,525.44
  4. Step 4: Simplify right side
    105,186,890.88x = 8,531,859,040,678,375
  5. Step 5: Solve for x
    x = 8,531,859,040,678,375/105,186,890.88
  6. Step 6: Final answer
    x = 81,111,429.09

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1.5x scale

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.