Home / 284,528,879.52-392,651,738.64-154,148,687.52

Finding the Fourth Proportional to 284,528,879.52, 392,651,738.64 and 154,148,687.52

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Solution

The fourth proportional to 284,528,879.52, 392,651,738.64 and 154,148,687.52 is: 212,726,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,528,879.52 : 392,651,738.64 = 154,148,687.52 : x
  2. Step 2: Convert to fraction form
    284,528,879.52/392,651,738.64 = 154,148,687.52/x
  3. Step 3: Cross multiply
    284,528,879.52x = 392,651,738.64 × 154,148,687.52
  4. Step 4: Simplify right side
    284,528,879.52x = 60,526,750,163,802,072
  5. Step 5: Solve for x
    x = 60,526,750,163,802,072/284,528,879.52
  6. Step 6: Final answer
    x = 212,726,209.96

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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.