Home / 368,636,371.71-552,950,770.31-213,091,207.16

Finding the Fourth Proportional to 368,636,371.71, 552,950,770.31 and 213,091,207.16

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Solution

The fourth proportional to 368,636,371.71, 552,950,770.31 and 213,091,207.16 is: 319,634,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,636,371.71 : 552,950,770.31 = 213,091,207.16 : x
  2. Step 2: Convert to fraction form
    368,636,371.71/552,950,770.31 = 213,091,207.16/x
  3. Step 3: Cross multiply
    368,636,371.71x = 552,950,770.31 × 213,091,207.16
  4. Step 4: Simplify right side
    368,636,371.71x = 117,828,947,141,579,568
  5. Step 5: Solve for x
    x = 117,828,947,141,579,568/368,636,371.71
  6. Step 6: Final answer
    x = 319,634,621.50

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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.