Home / 383,345,110.60-575,017,665.90-140,976,521.80

Finding the Fourth Proportional to 383,345,110.60, 575,017,665.90 and 140,976,521.80

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Solution

The fourth proportional to 383,345,110.60, 575,017,665.90 and 140,976,521.80 is: 211,464,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,345,110.60 : 575,017,665.90 = 140,976,521.80 : x
  2. Step 2: Convert to fraction form
    383,345,110.60/575,017,665.90 = 140,976,521.80/x
  3. Step 3: Cross multiply
    383,345,110.60x = 575,017,665.90 × 140,976,521.80
  4. Step 4: Simplify right side
    383,345,110.60x = 81,063,990,512,136,464
  5. Step 5: Solve for x
    x = 81,063,990,512,136,464/383,345,110.60
  6. Step 6: Final answer
    x = 211,464,782.70

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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.