Home / 403,306,111.40-605,033,816.70-130,685,772.20

Finding the Fourth Proportional to 403,306,111.40, 605,033,816.70 and 130,685,772.20

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Solution

The fourth proportional to 403,306,111.40, 605,033,816.70 and 130,685,772.20 is: 196,052,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,306,111.40 : 605,033,816.70 = 130,685,772.20 : x
  2. Step 2: Convert to fraction form
    403,306,111.40/605,033,816.70 = 130,685,772.20/x
  3. Step 3: Cross multiply
    403,306,111.40x = 605,033,816.70 × 130,685,772.20
  4. Step 4: Simplify right side
    403,306,111.40x = 79,069,311,542,552,768
  5. Step 5: Solve for x
    x = 79,069,311,542,552,768/403,306,111.40
  6. Step 6: Final answer
    x = 196,052,847.47

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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.