Home / 51,742,252.41-77,613,378.71-21,029,636.13

Finding the Fourth Proportional to 51,742,252.41, 77,613,378.71 and 21,029,636.13

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Solution

The fourth proportional to 51,742,252.41, 77,613,378.71 and 21,029,636.13 is: 31,544,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742,252.41 : 77,613,378.71 = 21,029,636.13 : x
  2. Step 2: Convert to fraction form
    51,742,252.41/77,613,378.71 = 21,029,636.13/x
  3. Step 3: Cross multiply
    51,742,252.41x = 77,613,378.71 × 21,029,636.13
  4. Step 4: Simplify right side
    51,742,252.41x = 1,632,181,112,986,040.50
  5. Step 5: Solve for x
    x = 1,632,181,112,986,040.50/51,742,252.41
  6. Step 6: Final answer
    x = 31,544,454.23

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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.