Home / 154,618,278-213,367,786.92-85,003,152

Finding the Fourth Proportional to 154,618,278, 213,367,786.92 and 85,003,152

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Solution

The fourth proportional to 154,618,278, 213,367,786.92 and 85,003,152 is: 117,301,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618,278 : 213,367,786.92 = 85,003,152 : x
  2. Step 2: Convert to fraction form
    154,618,278/213,367,786.92 = 85,003,152/x
  3. Step 3: Cross multiply
    154,618,278x = 213,367,786.92 × 85,003,152
  4. Step 4: Simplify right side
    154,618,278x = 18,136,934,423,464,372
  5. Step 5: Solve for x
    x = 18,136,934,423,464,372/154,618,278
  6. Step 6: Final answer
    x = 117,301,360.86

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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.