Home / 81,765,523.70-122,648,285.67-33,232,006.58

Finding the Fourth Proportional to 81,765,523.70, 122,648,285.67 and 33,232,006.58

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Solution

The fourth proportional to 81,765,523.70, 122,648,285.67 and 33,232,006.58 is: 49,848,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,765,523.70 : 122,648,285.67 = 33,232,006.58 : x
  2. Step 2: Convert to fraction form
    81,765,523.70/122,648,285.67 = 33,232,006.58/x
  3. Step 3: Cross multiply
    81,765,523.70x = 122,648,285.67 × 33,232,006.58
  4. Step 4: Simplify right side
    81,765,523.70x = 4,075,848,636,411,159.50
  5. Step 5: Solve for x
    x = 4,075,848,636,411,159.50/81,765,523.70
  6. Step 6: Final answer
    x = 49,848,009.92

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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.