Home / 120,218,028-180,356,391.36-38,336,908.56

Finding the Fourth Proportional to 120,218,028, 180,356,391.36 and 38,336,908.56

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Solution

The fourth proportional to 120,218,028, 180,356,391.36 and 38,336,908.56 is: 57,514,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,218,028 : 180,356,391.36 = 38,336,908.56 : x
  2. Step 2: Convert to fraction form
    120,218,028/180,356,391.36 = 38,336,908.56/x
  3. Step 3: Cross multiply
    120,218,028x = 180,356,391.36 × 38,336,908.56
  4. Step 4: Simplify right side
    120,218,028x = 6,914,306,483,779,895
  5. Step 5: Solve for x
    x = 6,914,306,483,779,895/120,218,028
  6. Step 6: Final answer
    x = 57,514,722.20

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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.