Home / 196,707,987.60-295,061,981.40-191,669,139.60

Finding the Fourth Proportional to 196,707,987.60, 295,061,981.40 and 191,669,139.60

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Solution

The fourth proportional to 196,707,987.60, 295,061,981.40 and 191,669,139.60 is: 287,503,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,707,987.60 : 295,061,981.40 = 191,669,139.60 : x
  2. Step 2: Convert to fraction form
    196,707,987.60/295,061,981.40 = 191,669,139.60/x
  3. Step 3: Cross multiply
    196,707,987.60x = 295,061,981.40 × 191,669,139.60
  4. Step 4: Simplify right side
    196,707,987.60x = 56,554,276,103,609,200
  5. Step 5: Solve for x
    x = 56,554,276,103,609,200/196,707,987.60
  6. Step 6: Final answer
    x = 287,503,709.40

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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.