Home / 65,723,122.35-90,222,968.72-56,414,531.88

Finding the Fourth Proportional to 65,723,122.35, 90,222,968.72 and 56,414,531.88

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Solution

The fourth proportional to 65,723,122.35, 90,222,968.72 and 56,414,531.88 is: 77,444,381.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723,122.35 : 90,222,968.72 = 56,414,531.88 : x
  2. Step 2: Convert to fraction form
    65,723,122.35/90,222,968.72 = 56,414,531.88/x
  3. Step 3: Cross multiply
    65,723,122.35x = 90,222,968.72 × 56,414,531.88
  4. Step 4: Simplify right side
    65,723,122.35x = 5,089,886,545,303,719
  5. Step 5: Solve for x
    x = 5,089,886,545,303,719/65,723,122.35
  6. Step 6: Final answer
    x = 77,444,381.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.