Home / 282,437,086.01-389,753,237.67-155,276,838.47

Finding the Fourth Proportional to 282,437,086.01, 389,753,237.67 and 155,276,838.47

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Solution

The fourth proportional to 282,437,086.01, 389,753,237.67 and 155,276,838.47 is: 214,276,571.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,437,086.01 : 389,753,237.67 = 155,276,838.47 : x
  2. Step 2: Convert to fraction form
    282,437,086.01/389,753,237.67 = 155,276,838.47/x
  3. Step 3: Cross multiply
    282,437,086.01x = 389,753,237.67 × 155,276,838.47
  4. Step 4: Simplify right side
    282,437,086.01x = 60,519,650,529,234,648
  5. Step 5: Solve for x
    x = 60,519,650,529,234,648/282,437,086.01
  6. Step 6: Final answer
    x = 214,276,571.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.