Home / 153,245,328.80-229,867,388.40-45,539,952.80

Finding the Fourth Proportional to 153,245,328.80, 229,867,388.40 and 45,539,952.80

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Solution

The fourth proportional to 153,245,328.80, 229,867,388.40 and 45,539,952.80 is: 68,309,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,245,328.80 : 229,867,388.40 = 45,539,952.80 : x
  2. Step 2: Convert to fraction form
    153,245,328.80/229,867,388.40 = 45,539,952.80/x
  3. Step 3: Cross multiply
    153,245,328.80x = 229,867,388.40 × 45,539,952.80
  4. Step 4: Simplify right side
    153,245,328.80x = 10,468,150,017,995,268
  5. Step 5: Solve for x
    x = 10,468,150,017,995,268/153,245,328.80
  6. Step 6: Final answer
    x = 68,309,749.47

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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.