Home / 174,479,907.82-240,791,741.73-100,139,874.02

Finding the Fourth Proportional to 174,479,907.82, 240,791,741.73 and 100,139,874.02

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Solution

The fourth proportional to 174,479,907.82, 240,791,741.73 and 100,139,874.02 is: 138,198,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,479,907.82 : 240,791,741.73 = 100,139,874.02 : x
  2. Step 2: Convert to fraction form
    174,479,907.82/240,791,741.73 = 100,139,874.02/x
  3. Step 3: Cross multiply
    174,479,907.82x = 240,791,741.73 × 100,139,874.02
  4. Step 4: Simplify right side
    174,479,907.82x = 24,112,854,681,898,576
  5. Step 5: Solve for x
    x = 24,112,854,681,898,576/174,479,907.82
  6. Step 6: Final answer
    x = 138,198,460.69

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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.