Home / 171,079,888.80-256,619,833.20-142,358,455.20

Finding the Fourth Proportional to 171,079,888.80, 256,619,833.20 and 142,358,455.20

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Solution

The fourth proportional to 171,079,888.80, 256,619,833.20 and 142,358,455.20 is: 213,537,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,079,888.80 : 256,619,833.20 = 142,358,455.20 : x
  2. Step 2: Convert to fraction form
    171,079,888.80/256,619,833.20 = 142,358,455.20/x
  3. Step 3: Cross multiply
    171,079,888.80x = 256,619,833.20 × 142,358,455.20
  4. Step 4: Simplify right side
    171,079,888.80x = 36,532,003,028,033,664
  5. Step 5: Solve for x
    x = 36,532,003,028,033,664/171,079,888.80
  6. Step 6: Final answer
    x = 213,537,682.80

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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.