Home / 221,276,938.30-331,915,407.45-119,240,266.30

Finding the Fourth Proportional to 221,276,938.30, 331,915,407.45 and 119,240,266.30

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Solution

The fourth proportional to 221,276,938.30, 331,915,407.45 and 119,240,266.30 is: 178,860,399.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,276,938.30 : 331,915,407.45 = 119,240,266.30 : x
  2. Step 2: Convert to fraction form
    221,276,938.30/331,915,407.45 = 119,240,266.30/x
  3. Step 3: Cross multiply
    221,276,938.30x = 331,915,407.45 × 119,240,266.30
  4. Step 4: Simplify right side
    221,276,938.30x = 39,577,681,573,411,000
  5. Step 5: Solve for x
    x = 39,577,681,573,411,000/221,276,938.30
  6. Step 6: Final answer
    x = 178,860,399.45

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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.