Home / 54,445,142.30-81,683,649.71-17,556,290.45

Finding the Fourth Proportional to 54,445,142.30, 81,683,649.71 and 17,556,290.45

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Solution

The fourth proportional to 54,445,142.30, 81,683,649.71 and 17,556,290.45 is: 26,339,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,445,142.30 : 81,683,649.71 = 17,556,290.45 : x
  2. Step 2: Convert to fraction form
    54,445,142.30/81,683,649.71 = 17,556,290.45/x
  3. Step 3: Cross multiply
    54,445,142.30x = 81,683,649.71 × 17,556,290.45
  4. Step 4: Simplify right side
    54,445,142.30x = 1,434,061,878,828,618.50
  5. Step 5: Solve for x
    x = 1,434,061,878,828,618.50/54,445,142.30
  6. Step 6: Final answer
    x = 26,339,574.45

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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.