Home / 171,776,739.90-257,665,109.85-102,901,986.30

Finding the Fourth Proportional to 171,776,739.90, 257,665,109.85 and 102,901,986.30

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Solution

The fourth proportional to 171,776,739.90, 257,665,109.85 and 102,901,986.30 is: 154,352,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,776,739.90 : 257,665,109.85 = 102,901,986.30 : x
  2. Step 2: Convert to fraction form
    171,776,739.90/257,665,109.85 = 102,901,986.30/x
  3. Step 3: Cross multiply
    171,776,739.90x = 257,665,109.85 × 102,901,986.30
  4. Step 4: Simplify right side
    171,776,739.90x = 26,514,251,603,772,692
  5. Step 5: Solve for x
    x = 26,514,251,603,772,692/171,776,739.90
  6. Step 6: Final answer
    x = 154,352,979.45

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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.