Home / 340,751,208.20-511,126,812.30-125,312,462.60

Finding the Fourth Proportional to 340,751,208.20, 511,126,812.30 and 125,312,462.60

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Solution

The fourth proportional to 340,751,208.20, 511,126,812.30 and 125,312,462.60 is: 187,968,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,751,208.20 : 511,126,812.30 = 125,312,462.60 : x
  2. Step 2: Convert to fraction form
    340,751,208.20/511,126,812.30 = 125,312,462.60/x
  3. Step 3: Cross multiply
    340,751,208.20x = 511,126,812.30 × 125,312,462.60
  4. Step 4: Simplify right side
    340,751,208.20x = 64,050,559,550,200,968
  5. Step 5: Solve for x
    x = 64,050,559,550,200,968/340,751,208.20
  6. Step 6: Final answer
    x = 187,968,693.90

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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.