Home / 51,622,430.79-77,433,301.73-20,916,557.13

Finding the Fourth Proportional to 51,622,430.79, 77,433,301.73 and 20,916,557.13

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Solution

The fourth proportional to 51,622,430.79, 77,433,301.73 and 20,916,557.13 is: 31,374,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,622,430.79 : 77,433,301.73 = 20,916,557.13 : x
  2. Step 2: Convert to fraction form
    51,622,430.79/77,433,301.73 = 20,916,557.13/x
  3. Step 3: Cross multiply
    51,622,430.79x = 77,433,301.73 × 20,916,557.13
  4. Step 4: Simplify right side
    51,622,430.79x = 1,619,638,079,400,072.75
  5. Step 5: Solve for x
    x = 1,619,638,079,400,072.75/51,622,430.79
  6. Step 6: Final answer
    x = 31,374,696.13

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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.