Home / 242,643,645.20-363,965,467.80-161,014,307.60

Finding the Fourth Proportional to 242,643,645.20, 363,965,467.80 and 161,014,307.60

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Solution

The fourth proportional to 242,643,645.20, 363,965,467.80 and 161,014,307.60 is: 241,521,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,643,645.20 : 363,965,467.80 = 161,014,307.60 : x
  2. Step 2: Convert to fraction form
    242,643,645.20/363,965,467.80 = 161,014,307.60/x
  3. Step 3: Cross multiply
    242,643,645.20x = 363,965,467.80 × 161,014,307.60
  4. Step 4: Simplify right side
    242,643,645.20x = 58,603,647,788,127,096
  5. Step 5: Solve for x
    x = 58,603,647,788,127,096/242,643,645.20
  6. Step 6: Final answer
    x = 241,521,461.40

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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.