Home / 145,274,256.70-200,476,817.51-79,193,297.18

Finding the Fourth Proportional to 145,274,256.70, 200,476,817.51 and 79,193,297.18

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Solution

The fourth proportional to 145,274,256.70, 200,476,817.51 and 79,193,297.18 is: 109,285,846.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,274,256.70 : 200,476,817.51 = 79,193,297.18 : x
  2. Step 2: Convert to fraction form
    145,274,256.70/200,476,817.51 = 79,193,297.18/x
  3. Step 3: Cross multiply
    145,274,256.70x = 200,476,817.51 × 79,193,297.18
  4. Step 4: Simplify right side
    145,274,256.70x = 15,876,420,186,875,284
  5. Step 5: Solve for x
    x = 15,876,420,186,875,284/145,274,256.70
  6. Step 6: Final answer
    x = 109,285,846.98

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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.