Home / 56,850,090.84-78,453,361.80-30,744,608.67

Finding the Fourth Proportional to 56,850,090.84, 78,453,361.80 and 30,744,608.67

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Solution

The fourth proportional to 56,850,090.84, 78,453,361.80 and 30,744,608.67 is: 42,427,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,850,090.84 : 78,453,361.80 = 30,744,608.67 : x
  2. Step 2: Convert to fraction form
    56,850,090.84/78,453,361.80 = 30,744,608.67/x
  3. Step 3: Cross multiply
    56,850,090.84x = 78,453,361.80 × 30,744,608.67
  4. Step 4: Simplify right side
    56,850,090.84x = 2,412,017,907,386,927
  5. Step 5: Solve for x
    x = 2,412,017,907,386,927/56,850,090.84
  6. Step 6: Final answer
    x = 42,427,687.83

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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.