Home / 209,114,429.70-313,671,644.55-72,754,493.70

Finding the Fourth Proportional to 209,114,429.70, 313,671,644.55 and 72,754,493.70

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Solution

The fourth proportional to 209,114,429.70, 313,671,644.55 and 72,754,493.70 is: 109,131,740.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,114,429.70 : 313,671,644.55 = 72,754,493.70 : x
  2. Step 2: Convert to fraction form
    209,114,429.70/313,671,644.55 = 72,754,493.70/x
  3. Step 3: Cross multiply
    209,114,429.70x = 313,671,644.55 × 72,754,493.70
  4. Step 4: Simplify right side
    209,114,429.70x = 22,821,021,687,281,616
  5. Step 5: Solve for x
    x = 22,821,021,687,281,616/209,114,429.70
  6. Step 6: Final answer
    x = 109,131,740.55

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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.