Home / 278,689,664.56-384,602,818.50-153,252,144.52

Finding the Fourth Proportional to 278,689,664.56, 384,602,818.50 and 153,252,144.52

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Solution

The fourth proportional to 278,689,664.56, 384,602,818.50 and 153,252,144.52 is: 211,494,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,689,664.56 : 384,602,818.50 = 153,252,144.52 : x
  2. Step 2: Convert to fraction form
    278,689,664.56/384,602,818.50 = 153,252,144.52/x
  3. Step 3: Cross multiply
    278,689,664.56x = 384,602,818.50 × 153,252,144.52
  4. Step 4: Simplify right side
    278,689,664.56x = 58,941,206,723,561,336
  5. Step 5: Solve for x
    x = 58,941,206,723,561,336/278,689,664.56
  6. Step 6: Final answer
    x = 211,494,053.13

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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.