Home / 368,956,118.49-509,159,555.27-201,693,111.90

Finding the Fourth Proportional to 368,956,118.49, 509,159,555.27 and 201,693,111.90

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Solution

The fourth proportional to 368,956,118.49, 509,159,555.27 and 201,693,111.90 is: 278,336,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,956,118.49 : 509,159,555.27 = 201,693,111.90 : x
  2. Step 2: Convert to fraction form
    368,956,118.49/509,159,555.27 = 201,693,111.90/x
  3. Step 3: Cross multiply
    368,956,118.49x = 509,159,555.27 × 201,693,111.90
  4. Step 4: Simplify right side
    368,956,118.49x = 102,693,975,156,026,336
  5. Step 5: Solve for x
    x = 102,693,975,156,026,336/368,956,118.49
  6. Step 6: Final answer
    x = 278,336,555.51

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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.