Home / 55,742,518.44-83,614,618.14-19,352,064.38

Finding the Fourth Proportional to 55,742,518.44, 83,614,618.14 and 19,352,064.38

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Solution

The fourth proportional to 55,742,518.44, 83,614,618.14 and 19,352,064.38 is: 29,028,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742,518.44 : 83,614,618.14 = 19,352,064.38 : x
  2. Step 2: Convert to fraction form
    55,742,518.44/83,614,618.14 = 19,352,064.38/x
  3. Step 3: Cross multiply
    55,742,518.44x = 83,614,618.14 × 19,352,064.38
  4. Step 4: Simplify right side
    55,742,518.44x = 1,618,115,472,863,752.50
  5. Step 5: Solve for x
    x = 1,618,115,472,863,752.50/55,742,518.44
  6. Step 6: Final answer
    x = 29,028,388.35

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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.