Home / 196,684,368.60-295,205,012.10-99,707,539.80

Finding the Fourth Proportional to 196,684,368.60, 295,205,012.10 and 99,707,539.80

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Solution

The fourth proportional to 196,684,368.60, 295,205,012.10 and 99,707,539.80 is: 149,651,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,684,368.60 : 295,205,012.10 = 99,707,539.80 : x
  2. Step 2: Convert to fraction form
    196,684,368.60/295,205,012.10 = 99,707,539.80/x
  3. Step 3: Cross multiply
    196,684,368.60x = 295,205,012.10 × 99,707,539.80
  4. Step 4: Simplify right side
    196,684,368.60x = 29,434,165,493,120,232
  5. Step 5: Solve for x
    x = 29,434,165,493,120,232/196,684,368.60
  6. Step 6: Final answer
    x = 149,651,778.14

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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.