Home / 153,993,614.40-230,990,421.60-143,789,947.20

Finding the Fourth Proportional to 153,993,614.40, 230,990,421.60 and 143,789,947.20

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Solution

The fourth proportional to 153,993,614.40, 230,990,421.60 and 143,789,947.20 is: 215,684,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,993,614.40 : 230,990,421.60 = 143,789,947.20 : x
  2. Step 2: Convert to fraction form
    153,993,614.40/230,990,421.60 = 143,789,947.20/x
  3. Step 3: Cross multiply
    153,993,614.40x = 230,990,421.60 × 143,789,947.20
  4. Step 4: Simplify right side
    153,993,614.40x = 33,214,100,525,569,736
  5. Step 5: Solve for x
    x = 33,214,100,525,569,736/153,993,614.40
  6. Step 6: Final answer
    x = 215,684,920.80

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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.