Home / 171,776,742.90-257,665,114.35-102,901,989.30

Finding the Fourth Proportional to 171,776,742.90, 257,665,114.35 and 102,901,989.30

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Solution

The fourth proportional to 171,776,742.90, 257,665,114.35 and 102,901,989.30 is: 154,352,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,776,742.90 : 257,665,114.35 = 102,901,989.30 : x
  2. Step 2: Convert to fraction form
    171,776,742.90/257,665,114.35 = 102,901,989.30/x
  3. Step 3: Cross multiply
    171,776,742.90x = 257,665,114.35 × 102,901,989.30
  4. Step 4: Simplify right side
    171,776,742.90x = 26,514,252,839,826,976
  5. Step 5: Solve for x
    x = 26,514,252,839,826,976/171,776,742.90
  6. Step 6: Final answer
    x = 154,352,983.95

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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.