Home / 85,365,263.16-117,754,889.42-51,394,172.20

Finding the Fourth Proportional to 85,365,263.16, 117,754,889.42 and 51,394,172.20

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Solution

The fourth proportional to 85,365,263.16, 117,754,889.42 and 51,394,172.20 is: 70,894,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,365,263.16 : 117,754,889.42 = 51,394,172.20 : x
  2. Step 2: Convert to fraction form
    85,365,263.16/117,754,889.42 = 51,394,172.20/x
  3. Step 3: Cross multiply
    85,365,263.16x = 117,754,889.42 × 51,394,172.20
  4. Step 4: Simplify right side
    85,365,263.16x = 6,051,915,064,077,536
  5. Step 5: Solve for x
    x = 6,051,915,064,077,536/85,365,263.16
  6. Step 6: Final answer
    x = 70,894,352.57

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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.