Home / 51,171,561.02-70,650,840.74-30,270,308.25

Finding the Fourth Proportional to 51,171,561.02, 70,650,840.74 and 30,270,308.25

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Solution

The fourth proportional to 51,171,561.02, 70,650,840.74 and 30,270,308.25 is: 41,793,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,171,561.02 : 70,650,840.74 = 30,270,308.25 : x
  2. Step 2: Convert to fraction form
    51,171,561.02/70,650,840.74 = 30,270,308.25/x
  3. Step 3: Cross multiply
    51,171,561.02x = 70,650,840.74 × 30,270,308.25
  4. Step 4: Simplify right side
    51,171,561.02x = 2,138,622,727,170,106.50
  5. Step 5: Solve for x
    x = 2,138,622,727,170,106.50/51,171,561.02
  6. Step 6: Final answer
    x = 41,793,189.12

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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.