Home / 38,888,940.40-58,296,085.80-30,248,249.20

Finding the Fourth Proportional to 38,888,940.40, 58,296,085.80 and 30,248,249.20

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Solution

The fourth proportional to 38,888,940.40, 58,296,085.80 and 30,248,249.20 is: 45,343,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888,940.40 : 58,296,085.80 = 30,248,249.20 : x
  2. Step 2: Convert to fraction form
    38,888,940.40/58,296,085.80 = 30,248,249.20/x
  3. Step 3: Cross multiply
    38,888,940.40x = 58,296,085.80 × 30,248,249.20
  4. Step 4: Simplify right side
    38,888,940.40x = 1,763,354,530,662,981.25
  5. Step 5: Solve for x
    x = 1,763,354,530,662,981.25/38,888,940.40
  6. Step 6: Final answer
    x = 45,343,342.16

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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.