Home / 84,912,688.42-117,142,627.87-53,956,250.10

Finding the Fourth Proportional to 84,912,688.42, 117,142,627.87 and 53,956,250.10

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Solution

The fourth proportional to 84,912,688.42, 117,142,627.87 and 53,956,250.10 is: 74,436,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912,688.42 : 117,142,627.87 = 53,956,250.10 : x
  2. Step 2: Convert to fraction form
    84,912,688.42/117,142,627.87 = 53,956,250.10/x
  3. Step 3: Cross multiply
    84,912,688.42x = 117,142,627.87 × 53,956,250.10
  4. Step 4: Simplify right side
    84,912,688.42x = 6,320,576,926,724,951
  5. Step 5: Solve for x
    x = 6,320,576,926,724,951/84,912,688.42
  6. Step 6: Final answer
    x = 74,436,189.04

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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.