Home / 78,319,570.02-108,082,806.75-43,039,568.55

Finding the Fourth Proportional to 78,319,570.02, 108,082,806.75 and 43,039,568.55

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Solution

The fourth proportional to 78,319,570.02, 108,082,806.75 and 43,039,568.55 is: 59,395,593.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319,570.02 : 108,082,806.75 = 43,039,568.55 : x
  2. Step 2: Convert to fraction form
    78,319,570.02/108,082,806.75 = 43,039,568.55/x
  3. Step 3: Cross multiply
    78,319,570.02x = 108,082,806.75 × 43,039,568.55
  4. Step 4: Simplify right side
    78,319,570.02x = 4,651,837,370,193,027
  5. Step 5: Solve for x
    x = 4,651,837,370,193,027/78,319,570.02
  6. Step 6: Final answer
    x = 59,395,593.83

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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.