Home / 65,567,143.72-90,398,542.98-53,762,922.28

Finding the Fourth Proportional to 65,567,143.72, 90,398,542.98 and 53,762,922.28

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Solution

The fourth proportional to 65,567,143.72, 90,398,542.98 and 53,762,922.28 is: 74,123,860.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,567,143.72 : 90,398,542.98 = 53,762,922.28 : x
  2. Step 2: Convert to fraction form
    65,567,143.72/90,398,542.98 = 53,762,922.28/x
  3. Step 3: Cross multiply
    65,567,143.72x = 90,398,542.98 × 53,762,922.28
  4. Step 4: Simplify right side
    65,567,143.72x = 4,860,089,840,458,980
  5. Step 5: Solve for x
    x = 4,860,089,840,458,980/65,567,143.72
  6. Step 6: Final answer
    x = 74,123,860.90

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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.