Home / 94,786,257.60-142,019,954.10-81,075,079.80

Finding the Fourth Proportional to 94,786,257.60, 142,019,954.10 and 81,075,079.80

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Solution

The fourth proportional to 94,786,257.60, 142,019,954.10 and 81,075,079.80 is: 121,476,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,786,257.60 : 142,019,954.10 = 81,075,079.80 : x
  2. Step 2: Convert to fraction form
    94,786,257.60/142,019,954.10 = 81,075,079.80/x
  3. Step 3: Cross multiply
    94,786,257.60x = 142,019,954.10 × 81,075,079.80
  4. Step 4: Simplify right side
    94,786,257.60x = 11,514,279,111,849,836
  5. Step 5: Solve for x
    x = 11,514,279,111,849,836/94,786,257.60
  6. Step 6: Final answer
    x = 121,476,249.86

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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.