Home / 421,143,586.08-631,772,866.47-175,442,761.52

Finding the Fourth Proportional to 421,143,586.08, 631,772,866.47 and 175,442,761.52

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Solution

The fourth proportional to 421,143,586.08, 631,772,866.47 and 175,442,761.52 is: 263,188,090.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,143,586.08 : 631,772,866.47 = 175,442,761.52 : x
  2. Step 2: Convert to fraction form
    421,143,586.08/631,772,866.47 = 175,442,761.52/x
  3. Step 3: Cross multiply
    421,143,586.08x = 631,772,866.47 × 175,442,761.52
  4. Step 4: Simplify right side
    421,143,586.08x = 110,839,976,345,783,472
  5. Step 5: Solve for x
    x = 110,839,976,345,783,472/421,143,586.08
  6. Step 6: Final answer
    x = 263,188,090.73

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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.