Home / 64,045,783.73-96,074,581.41-20,915,213.15

Finding the Fourth Proportional to 64,045,783.73, 96,074,581.41 and 20,915,213.15

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Solution

The fourth proportional to 64,045,783.73, 96,074,581.41 and 20,915,213.15 is: 31,374,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,783.73 : 96,074,581.41 = 20,915,213.15 : x
  2. Step 2: Convert to fraction form
    64,045,783.73/96,074,581.41 = 20,915,213.15/x
  3. Step 3: Cross multiply
    64,045,783.73x = 96,074,581.41 × 20,915,213.15
  4. Step 4: Simplify right side
    64,045,783.73x = 2,009,420,348,727,364
  5. Step 5: Solve for x
    x = 2,009,420,348,727,364/64,045,783.73
  6. Step 6: Final answer
    x = 31,374,748.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.