Home / 293,376,834.40-439,905,819.30-120,871,085.80

Finding the Fourth Proportional to 293,376,834.40, 439,905,819.30 and 120,871,085.80

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Solution

The fourth proportional to 293,376,834.40, 439,905,819.30 and 120,871,085.80 is: 181,240,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,376,834.40 : 439,905,819.30 = 120,871,085.80 : x
  2. Step 2: Convert to fraction form
    293,376,834.40/439,905,819.30 = 120,871,085.80/x
  3. Step 3: Cross multiply
    293,376,834.40x = 439,905,819.30 × 120,871,085.80
  4. Step 4: Simplify right side
    293,376,834.40x = 53,171,894,028,529,600
  5. Step 5: Solve for x
    x = 53,171,894,028,529,600/293,376,834.40
  6. Step 6: Final answer
    x = 181,240,942.68

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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.