Home / 171,573,089.46-257,214,985.92-74,455,636.56

Finding the Fourth Proportional to 171,573,089.46, 257,214,985.92 and 74,455,636.56

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Solution

The fourth proportional to 171,573,089.46, 257,214,985.92 and 74,455,636.56 is: 111,620,683.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,573,089.46 : 257,214,985.92 = 74,455,636.56 : x
  2. Step 2: Convert to fraction form
    171,573,089.46/257,214,985.92 = 74,455,636.56/x
  3. Step 3: Cross multiply
    171,573,089.46x = 257,214,985.92 × 74,455,636.56
  4. Step 4: Simplify right side
    171,573,089.46x = 19,151,105,509,445,036
  5. Step 5: Solve for x
    x = 19,151,105,509,445,036/171,573,089.46
  6. Step 6: Final answer
    x = 111,620,683.46

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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.