Home / 186,476,369.29-279,666,841.87-55,287,968.31

Finding the Fourth Proportional to 186,476,369.29, 279,666,841.87 and 55,287,968.31

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Solution

The fourth proportional to 186,476,369.29, 279,666,841.87 and 55,287,968.31 is: 82,917,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,476,369.29 : 279,666,841.87 = 55,287,968.31 : x
  2. Step 2: Convert to fraction form
    186,476,369.29/279,666,841.87 = 55,287,968.31/x
  3. Step 3: Cross multiply
    186,476,369.29x = 279,666,841.87 × 55,287,968.31
  4. Step 4: Simplify right side
    186,476,369.29x = 15,462,211,490,812,856
  5. Step 5: Solve for x
    x = 15,462,211,490,812,856/186,476,369.29
  6. Step 6: Final answer
    x = 82,917,806.42

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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.