Home / 194,808,168.60-292,212,252.90-120,831,581.40

Finding the Fourth Proportional to 194,808,168.60, 292,212,252.90 and 120,831,581.40

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Solution

The fourth proportional to 194,808,168.60, 292,212,252.90 and 120,831,581.40 is: 181,247,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808,168.60 : 292,212,252.90 = 120,831,581.40 : x
  2. Step 2: Convert to fraction form
    194,808,168.60/292,212,252.90 = 120,831,581.40/x
  3. Step 3: Cross multiply
    194,808,168.60x = 292,212,252.90 × 120,831,581.40
  4. Step 4: Simplify right side
    194,808,168.60x = 35,308,468,622,363,736
  5. Step 5: Solve for x
    x = 35,308,468,622,363,736/194,808,168.60
  6. Step 6: Final answer
    x = 181,247,372.10

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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.