Home / 147,562,697,896.80-203,636,619,181.98-79,897,333,951.68

Finding the Fourth Proportional to 147,562,697,896.80, 203,636,619,181.98 and 79,897,333,951.68

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Solution

The fourth proportional to 147,562,697,896.80, 203,636,619,181.98 and 79,897,333,951.68 is: 110,258,372,877.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,562,697,896.80 : 203,636,619,181.98 = 79,897,333,951.68 : x
  2. Step 2: Convert to fraction form
    147,562,697,896.80/203,636,619,181.98 = 79,897,333,951.68/x
  3. Step 3: Cross multiply
    147,562,697,896.80x = 203,636,619,181.98 × 79,897,333,951.68
  4. Step 4: Simplify right side
    147,562,697,896.80x = 16,270,022,967,573,740,519,424
  5. Step 5: Solve for x
    x = 16,270,022,967,573,740,519,424/147,562,697,896.80
  6. Step 6: Final answer
    x = 110,258,372,877.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.