Home / 196,702,970.60-295,054,455.90-139,260,103.40

Finding the Fourth Proportional to 196,702,970.60, 295,054,455.90 and 139,260,103.40

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Solution

The fourth proportional to 196,702,970.60, 295,054,455.90 and 139,260,103.40 is: 208,890,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,702,970.60 : 295,054,455.90 = 139,260,103.40 : x
  2. Step 2: Convert to fraction form
    196,702,970.60/295,054,455.90 = 139,260,103.40/x
  3. Step 3: Cross multiply
    196,702,970.60x = 295,054,455.90 × 139,260,103.40
  4. Step 4: Simplify right side
    196,702,970.60x = 41,089,314,037,264,736
  5. Step 5: Solve for x
    x = 41,089,314,037,264,736/196,702,970.60
  6. Step 6: Final answer
    x = 208,890,155.10

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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.