Home / 100,586,514.78-138,778,172.24-58,740,391.17

Finding the Fourth Proportional to 100,586,514.78, 138,778,172.24 and 58,740,391.17

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Solution

The fourth proportional to 100,586,514.78, 138,778,172.24 and 58,740,391.17 is: 81,043,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,586,514.78 : 138,778,172.24 = 58,740,391.17 : x
  2. Step 2: Convert to fraction form
    100,586,514.78/138,778,172.24 = 58,740,391.17/x
  3. Step 3: Cross multiply
    100,586,514.78x = 138,778,172.24 × 58,740,391.17
  4. Step 4: Simplify right side
    100,586,514.78x = 8,151,884,122,941,534
  5. Step 5: Solve for x
    x = 8,151,884,122,941,534/100,586,514.78
  6. Step 6: Final answer
    x = 81,043,509.07

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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.