Home / 81,809,821,570.20-122,606,247,532.44-42,013,988,940.12

Finding the Fourth Proportional to 81,809,821,570.20, 122,606,247,532.44 and 42,013,988,940.12

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Solution

The fourth proportional to 81,809,821,570.20, 122,606,247,532.44 and 42,013,988,940.12 is: 62,965,270,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,809,821,570.20 : 122,606,247,532.44 = 42,013,988,940.12 : x
  2. Step 2: Convert to fraction form
    81,809,821,570.20/122,606,247,532.44 = 42,013,988,940.12/x
  3. Step 3: Cross multiply
    81,809,821,570.20x = 122,606,247,532.44 × 42,013,988,940.12
  4. Step 4: Simplify right side
    81,809,821,570.20x = 5,151,177,527,817,549,119,488
  5. Step 5: Solve for x
    x = 5,151,177,527,817,549,119,488/81,809,821,570.20
  6. Step 6: Final answer
    x = 62,965,270,293.34

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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.