Home / 114,048,002.40-171,072,003.60-77,768,296.80

Finding the Fourth Proportional to 114,048,002.40, 171,072,003.60 and 77,768,296.80

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Solution

The fourth proportional to 114,048,002.40, 171,072,003.60 and 77,768,296.80 is: 116,652,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,048,002.40 : 171,072,003.60 = 77,768,296.80 : x
  2. Step 2: Convert to fraction form
    114,048,002.40/171,072,003.60 = 77,768,296.80/x
  3. Step 3: Cross multiply
    114,048,002.40x = 171,072,003.60 × 77,768,296.80
  4. Step 4: Simplify right side
    114,048,002.40x = 13,303,978,350,135,468
  5. Step 5: Solve for x
    x = 13,303,978,350,135,468/114,048,002.40
  6. Step 6: Final answer
    x = 116,652,445.20

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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.