Home / 74,293,404-111,445,970.39-19,706,005.65

Finding the Fourth Proportional to 74,293,404, 111,445,970.39 and 19,706,005.65

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Solution

The fourth proportional to 74,293,404, 111,445,970.39 and 19,706,005.65 is: 29,560,563.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,293,404 : 111,445,970.39 = 19,706,005.65 : x
  2. Step 2: Convert to fraction form
    74,293,404/111,445,970.39 = 19,706,005.65/x
  3. Step 3: Cross multiply
    74,293,404x = 111,445,970.39 × 19,706,005.65
  4. Step 4: Simplify right side
    74,293,404x = 2,196,154,922,175,072.50
  5. Step 5: Solve for x
    x = 2,196,154,922,175,072.50/74,293,404
  6. Step 6: Final answer
    x = 29,560,563.98

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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.