Home / 188,877,471.84-260,644,028.64-105,241,280.16

Finding the Fourth Proportional to 188,877,471.84, 260,644,028.64 and 105,241,280.16

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Solution

The fourth proportional to 188,877,471.84, 260,644,028.64 and 105,241,280.16 is: 145,229,131.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,877,471.84 : 260,644,028.64 = 105,241,280.16 : x
  2. Step 2: Convert to fraction form
    188,877,471.84/260,644,028.64 = 105,241,280.16/x
  3. Step 3: Cross multiply
    188,877,471.84x = 260,644,028.64 × 105,241,280.16
  4. Step 4: Simplify right side
    188,877,471.84x = 27,430,511,240,133,300
  5. Step 5: Solve for x
    x = 27,430,511,240,133,300/188,877,471.84
  6. Step 6: Final answer
    x = 145,229,131.74

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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.