Home / 166,060,888.61-248,994,963.93-78,621,671.53

Finding the Fourth Proportional to 166,060,888.61, 248,994,963.93 and 78,621,671.53

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Solution

The fourth proportional to 166,060,888.61, 248,994,963.93 and 78,621,671.53 is: 117,886,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,060,888.61 : 248,994,963.93 = 78,621,671.53 : x
  2. Step 2: Convert to fraction form
    166,060,888.61/248,994,963.93 = 78,621,671.53/x
  3. Step 3: Cross multiply
    166,060,888.61x = 248,994,963.93 × 78,621,671.53
  4. Step 4: Simplify right side
    166,060,888.61x = 19,576,400,266,728,660
  5. Step 5: Solve for x
    x = 19,576,400,266,728,660/166,060,888.61
  6. Step 6: Final answer
    x = 117,886,881.32

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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.