Home / 221,293,300.90-331,939,951.35-214,916,008.90

Finding the Fourth Proportional to 221,293,300.90, 331,939,951.35 and 214,916,008.90

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Solution

The fourth proportional to 221,293,300.90, 331,939,951.35 and 214,916,008.90 is: 322,374,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,293,300.90 : 331,939,951.35 = 214,916,008.90 : x
  2. Step 2: Convert to fraction form
    221,293,300.90/331,939,951.35 = 214,916,008.90/x
  3. Step 3: Cross multiply
    221,293,300.90x = 331,939,951.35 × 214,916,008.90
  4. Step 4: Simplify right side
    221,293,300.90x = 71,339,209,538,602,176
  5. Step 5: Solve for x
    x = 71,339,209,538,602,176/221,293,300.90
  6. Step 6: Final answer
    x = 322,374,013.35

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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.