Home / 91,117,694.51-125,742,337.19-51,433,578.29

Finding the Fourth Proportional to 91,117,694.51, 125,742,337.19 and 51,433,578.29

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Solution

The fourth proportional to 91,117,694.51, 125,742,337.19 and 51,433,578.29 is: 70,978,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,117,694.51 : 125,742,337.19 = 51,433,578.29 : x
  2. Step 2: Convert to fraction form
    91,117,694.51/125,742,337.19 = 51,433,578.29/x
  3. Step 3: Cross multiply
    91,117,694.51x = 125,742,337.19 × 51,433,578.29
  4. Step 4: Simplify right side
    91,117,694.51x = 6,467,378,343,343,564
  5. Step 5: Solve for x
    x = 6,467,378,343,343,564/91,117,694.51
  6. Step 6: Final answer
    x = 70,978,292.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.