Home / 293,278,870.60-440,166,311.70-120,879,410.20

Finding the Fourth Proportional to 293,278,870.60, 440,166,311.70 and 120,879,410.20

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Solution

The fourth proportional to 293,278,870.60, 440,166,311.70 and 120,879,410.20 is: 181,421,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,278,870.60 : 440,166,311.70 = 120,879,410.20 : x
  2. Step 2: Convert to fraction form
    293,278,870.60/440,166,311.70 = 120,879,410.20/x
  3. Step 3: Cross multiply
    293,278,870.60x = 440,166,311.70 × 120,879,410.20
  4. Step 4: Simplify right side
    293,278,870.60x = 53,207,044,148,205,360
  5. Step 5: Solve for x
    x = 53,207,044,148,205,360/293,278,870.60
  6. Step 6: Final answer
    x = 181,421,334.72

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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.