Home / 540,142,495.44-810,213,752.88-131,195,890.32

Finding the Fourth Proportional to 540,142,495.44, 810,213,752.88 and 131,195,890.32

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Solution

The fourth proportional to 540,142,495.44, 810,213,752.88 and 131,195,890.32 is: 196,793,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,142,495.44 : 810,213,752.88 = 131,195,890.32 : x
  2. Step 2: Convert to fraction form
    540,142,495.44/810,213,752.88 = 131,195,890.32/x
  3. Step 3: Cross multiply
    540,142,495.44x = 810,213,752.88 × 131,195,890.32
  4. Step 4: Simplify right side
    540,142,495.44x = 106,296,714,658,600,064
  5. Step 5: Solve for x
    x = 106,296,714,658,600,064/540,142,495.44
  6. Step 6: Final answer
    x = 196,793,837.84

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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.