Home / 57,170,679.84-78,896,036.48-31,065,197.58

Finding the Fourth Proportional to 57,170,679.84, 78,896,036.48 and 31,065,197.58

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Solution

The fourth proportional to 57,170,679.84, 78,896,036.48 and 31,065,197.58 is: 42,870,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170,679.84 : 78,896,036.48 = 31,065,197.58 : x
  2. Step 2: Convert to fraction form
    57,170,679.84/78,896,036.48 = 31,065,197.58/x
  3. Step 3: Cross multiply
    57,170,679.84x = 78,896,036.48 × 31,065,197.58
  4. Step 4: Simplify right side
    57,170,679.84x = 2,450,920,961,374,761.50
  5. Step 5: Solve for x
    x = 2,450,920,961,374,761.50/57,170,679.84
  6. Step 6: Final answer
    x = 42,870,243.42

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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.