Home / 293,039,813.20-439,559,719.80-120,640,352.80

Finding the Fourth Proportional to 293,039,813.20, 439,559,719.80 and 120,640,352.80

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Solution

The fourth proportional to 293,039,813.20, 439,559,719.80 and 120,640,352.80 is: 180,960,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039,813.20 : 439,559,719.80 = 120,640,352.80 : x
  2. Step 2: Convert to fraction form
    293,039,813.20/439,559,719.80 = 120,640,352.80/x
  3. Step 3: Cross multiply
    293,039,813.20x = 439,559,719.80 × 120,640,352.80
  4. Step 4: Simplify right side
    293,039,813.20x = 53,028,639,673,341,144
  5. Step 5: Solve for x
    x = 53,028,639,673,341,144/293,039,813.20
  6. Step 6: Final answer
    x = 180,960,529.20

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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.