Home / 53,995,415.72-74,513,625.42-30,478,902.62

Finding the Fourth Proportional to 53,995,415.72, 74,513,625.42 and 30,478,902.62

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Solution

The fourth proportional to 53,995,415.72, 74,513,625.42 and 30,478,902.62 is: 42,060,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,995,415.72 : 74,513,625.42 = 30,478,902.62 : x
  2. Step 2: Convert to fraction form
    53,995,415.72/74,513,625.42 = 30,478,902.62/x
  3. Step 3: Cross multiply
    53,995,415.72x = 74,513,625.42 × 30,478,902.62
  4. Step 4: Simplify right side
    53,995,415.72x = 2,271,093,533,039,336.50
  5. Step 5: Solve for x
    x = 2,271,093,533,039,336.50/53,995,415.72
  6. Step 6: Final answer
    x = 42,060,858.37

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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.