Home / 65,723,396.04-90,223,342.60-56,414,805.57

Finding the Fourth Proportional to 65,723,396.04, 90,223,342.60 and 56,414,805.57

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Solution

The fourth proportional to 65,723,396.04, 90,223,342.60 and 56,414,805.57 is: 77,444,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723,396.04 : 90,223,342.60 = 56,414,805.57 : x
  2. Step 2: Convert to fraction form
    65,723,396.04/90,223,342.60 = 56,414,805.57/x
  3. Step 3: Cross multiply
    65,723,396.04x = 90,223,342.60 × 56,414,805.57
  4. Step 4: Simplify right side
    65,723,396.04x = 5,089,932,329,921,307
  5. Step 5: Solve for x
    x = 5,089,932,329,921,307/65,723,396.04
  6. Step 6: Final answer
    x = 77,444,755.40

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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.