Home / 202,292,208.12-303,315,436.90-79,323,206.92

Finding the Fourth Proportional to 202,292,208.12, 303,315,436.90 and 79,323,206.92

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Solution

The fourth proportional to 202,292,208.12, 303,315,436.90 and 79,323,206.92 is: 118,936,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,292,208.12 : 303,315,436.90 = 79,323,206.92 : x
  2. Step 2: Convert to fraction form
    202,292,208.12/303,315,436.90 = 79,323,206.92/x
  3. Step 3: Cross multiply
    202,292,208.12x = 303,315,436.90 × 79,323,206.92
  4. Step 4: Simplify right side
    202,292,208.12x = 24,059,953,163,248,900
  5. Step 5: Solve for x
    x = 24,059,953,163,248,900/202,292,208.12
  6. Step 6: Final answer
    x = 118,936,628.29

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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.