Home / 51,607,232.20-77,410,848.30-20,916,514.45

Finding the Fourth Proportional to 51,607,232.20, 77,410,848.30 and 20,916,514.45

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Solution

The fourth proportional to 51,607,232.20, 77,410,848.30 and 20,916,514.45 is: 31,374,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607,232.20 : 77,410,848.30 = 20,916,514.45 : x
  2. Step 2: Convert to fraction form
    51,607,232.20/77,410,848.30 = 20,916,514.45/x
  3. Step 3: Cross multiply
    51,607,232.20x = 77,410,848.30 × 20,916,514.45
  4. Step 4: Simplify right side
    51,607,232.20x = 1,619,165,127,053,707.75
  5. Step 5: Solve for x
    x = 1,619,165,127,053,707.75/51,607,232.20
  6. Step 6: Final answer
    x = 31,374,771.68

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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.