Home / 45,168,215.81-67,714,235.89-19,589,959.67

Finding the Fourth Proportional to 45,168,215.81, 67,714,235.89 and 19,589,959.67

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Solution

The fourth proportional to 45,168,215.81, 67,714,235.89 and 19,589,959.67 is: 29,368,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,168,215.81 : 67,714,235.89 = 19,589,959.67 : x
  2. Step 2: Convert to fraction form
    45,168,215.81/67,714,235.89 = 19,589,959.67/x
  3. Step 3: Cross multiply
    45,168,215.81x = 67,714,235.89 × 19,589,959.67
  4. Step 4: Simplify right side
    45,168,215.81x = 1,326,519,149,782,420.50
  5. Step 5: Solve for x
    x = 1,326,519,149,782,420.50/45,168,215.81
  6. Step 6: Final answer
    x = 29,368,420.38

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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.