Home / 214,038,269.80-321,057,404.70-146,013,821.80

Finding the Fourth Proportional to 214,038,269.80, 321,057,404.70 and 146,013,821.80

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Solution

The fourth proportional to 214,038,269.80, 321,057,404.70 and 146,013,821.80 is: 219,020,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,038,269.80 : 321,057,404.70 = 146,013,821.80 : x
  2. Step 2: Convert to fraction form
    214,038,269.80/321,057,404.70 = 146,013,821.80/x
  3. Step 3: Cross multiply
    214,038,269.80x = 321,057,404.70 × 146,013,821.80
  4. Step 4: Simplify right side
    214,038,269.80x = 46,878,818,677,436,288
  5. Step 5: Solve for x
    x = 46,878,818,677,436,288/214,038,269.80
  6. Step 6: Final answer
    x = 219,020,732.70

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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.