Home / 74,342,331.62-102,586,402.90-42,982,392.64

Finding the Fourth Proportional to 74,342,331.62, 102,586,402.90 and 42,982,392.64

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Solution

The fourth proportional to 74,342,331.62, 102,586,402.90 and 42,982,392.64 is: 59,312,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,331.62 : 102,586,402.90 = 42,982,392.64 : x
  2. Step 2: Convert to fraction form
    74,342,331.62/102,586,402.90 = 42,982,392.64/x
  3. Step 3: Cross multiply
    74,342,331.62x = 102,586,402.90 × 42,982,392.64
  4. Step 4: Simplify right side
    74,342,331.62x = 4,409,409,048,973,035
  5. Step 5: Solve for x
    x = 4,409,409,048,973,035/74,342,331.62
  6. Step 6: Final answer
    x = 59,312,224.31

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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.