Home / 145,859,816.42-201,348,524.49-90,882,835.46

Finding the Fourth Proportional to 145,859,816.42, 201,348,524.49 and 90,882,835.46

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Solution

The fourth proportional to 145,859,816.42, 201,348,524.49 and 90,882,835.46 is: 125,456,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859,816.42 : 201,348,524.49 = 90,882,835.46 : x
  2. Step 2: Convert to fraction form
    145,859,816.42/201,348,524.49 = 90,882,835.46/x
  3. Step 3: Cross multiply
    145,859,816.42x = 201,348,524.49 × 90,882,835.46
  4. Step 4: Simplify right side
    145,859,816.42x = 18,299,124,821,338,448
  5. Step 5: Solve for x
    x = 18,299,124,821,338,448/145,859,816.42
  6. Step 6: Final answer
    x = 125,456,930.29

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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.