Home / 408,071,656.08-612,110,238.12-149,180,369.76

Finding the Fourth Proportional to 408,071,656.08, 612,110,238.12 and 149,180,369.76

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Solution

The fourth proportional to 408,071,656.08, 612,110,238.12 and 149,180,369.76 is: 223,771,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,071,656.08 : 612,110,238.12 = 149,180,369.76 : x
  2. Step 2: Convert to fraction form
    408,071,656.08/612,110,238.12 = 149,180,369.76/x
  3. Step 3: Cross multiply
    408,071,656.08x = 612,110,238.12 × 149,180,369.76
  4. Step 4: Simplify right side
    408,071,656.08x = 91,314,831,656,623,248
  5. Step 5: Solve for x
    x = 91,314,831,656,623,248/408,071,656.08
  6. Step 6: Final answer
    x = 223,771,561.43

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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.