Home / 403,306,086.40-605,033,779.20-130,685,747.20

Finding the Fourth Proportional to 403,306,086.40, 605,033,779.20 and 130,685,747.20

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Solution

The fourth proportional to 403,306,086.40, 605,033,779.20 and 130,685,747.20 is: 196,052,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,306,086.40 : 605,033,779.20 = 130,685,747.20 : x
  2. Step 2: Convert to fraction form
    403,306,086.40/605,033,779.20 = 130,685,747.20/x
  3. Step 3: Cross multiply
    403,306,086.40x = 605,033,779.20 × 130,685,747.20
  4. Step 4: Simplify right side
    403,306,086.40x = 79,069,291,515,991,824
  5. Step 5: Solve for x
    x = 79,069,291,515,991,824/403,306,086.40
  6. Step 6: Final answer
    x = 196,052,809.97

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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.