Home / 85,396,532.18-117,759,135.89-73,047,507.89

Finding the Fourth Proportional to 85,396,532.18, 117,759,135.89 and 73,047,507.89

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Solution

The fourth proportional to 85,396,532.18, 117,759,135.89 and 73,047,507.89 is: 100,730,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,396,532.18 : 117,759,135.89 = 73,047,507.89 : x
  2. Step 2: Convert to fraction form
    85,396,532.18/117,759,135.89 = 73,047,507.89/x
  3. Step 3: Cross multiply
    85,396,532.18x = 117,759,135.89 × 73,047,507.89
  4. Step 4: Simplify right side
    85,396,532.18x = 8,602,011,407,638,181
  5. Step 5: Solve for x
    x = 8,602,011,407,638,181/85,396,532.18
  6. Step 6: Final answer
    x = 100,730,219.23

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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.