Home / 194,808,158.10-292,212,237.15-120,831,570.90

Finding the Fourth Proportional to 194,808,158.10, 292,212,237.15 and 120,831,570.90

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Solution

The fourth proportional to 194,808,158.10, 292,212,237.15 and 120,831,570.90 is: 181,247,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,808,158.10 : 292,212,237.15 = 120,831,570.90 : x
  2. Step 2: Convert to fraction form
    194,808,158.10/292,212,237.15 = 120,831,570.90/x
  3. Step 3: Cross multiply
    194,808,158.10x = 292,212,237.15 × 120,831,570.90
  4. Step 4: Simplify right side
    194,808,158.10x = 35,308,463,651,037,836
  5. Step 5: Solve for x
    x = 35,308,463,651,037,836/194,808,158.10
  6. Step 6: Final answer
    x = 181,247,356.35

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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.