Home / 209,039,540.90-313,539,050.12-63,474,381.86

Finding the Fourth Proportional to 209,039,540.90, 313,539,050.12 and 63,474,381.86

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Solution

The fourth proportional to 209,039,540.90, 313,539,050.12 and 63,474,381.86 is: 95,205,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,039,540.90 : 313,539,050.12 = 63,474,381.86 : x
  2. Step 2: Convert to fraction form
    209,039,540.90/313,539,050.12 = 63,474,381.86/x
  3. Step 3: Cross multiply
    209,039,540.90x = 313,539,050.12 × 63,474,381.86
  4. Step 4: Simplify right side
    209,039,540.90x = 19,901,697,393,453,492
  5. Step 5: Solve for x
    x = 19,901,697,393,453,492/209,039,540.90
  6. Step 6: Final answer
    x = 95,205,420.51

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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.