Home / 196,692,519.60-295,038,779.40-105,993,255.60

Finding the Fourth Proportional to 196,692,519.60, 295,038,779.40 and 105,993,255.60

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Solution

The fourth proportional to 196,692,519.60, 295,038,779.40 and 105,993,255.60 is: 158,989,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,692,519.60 : 295,038,779.40 = 105,993,255.60 : x
  2. Step 2: Convert to fraction form
    196,692,519.60/295,038,779.40 = 105,993,255.60/x
  3. Step 3: Cross multiply
    196,692,519.60x = 295,038,779.40 × 105,993,255.60
  4. Step 4: Simplify right side
    196,692,519.60x = 31,272,120,756,856,212
  5. Step 5: Solve for x
    x = 31,272,120,756,856,212/196,692,519.60
  6. Step 6: Final answer
    x = 158,989,883.40

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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.