Home / 171,573,086.43-257,214,981.42-74,455,633.53

Finding the Fourth Proportional to 171,573,086.43, 257,214,981.42 and 74,455,633.53

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Solution

The fourth proportional to 171,573,086.43, 257,214,981.42 and 74,455,633.53 is: 111,620,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,573,086.43 : 257,214,981.42 = 74,455,633.53 : x
  2. Step 2: Convert to fraction form
    171,573,086.43/257,214,981.42 = 74,455,633.53/x
  3. Step 3: Cross multiply
    171,573,086.43x = 257,214,981.42 × 74,455,633.53
  4. Step 4: Simplify right side
    171,573,086.43x = 19,151,104,395,033,280
  5. Step 5: Solve for x
    x = 19,151,104,395,033,280/171,573,086.43
  6. Step 6: Final answer
    x = 111,620,678.94

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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.