Home / 55,571,705.73-83,368,737.81-19,181,505.60

Finding the Fourth Proportional to 55,571,705.73, 83,368,737.81 and 19,181,505.60

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Solution

The fourth proportional to 55,571,705.73, 83,368,737.81 and 19,181,505.60 is: 28,776,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571,705.73 : 83,368,737.81 = 19,181,505.60 : x
  2. Step 2: Convert to fraction form
    55,571,705.73/83,368,737.81 = 19,181,505.60/x
  3. Step 3: Cross multiply
    55,571,705.73x = 83,368,737.81 × 19,181,505.60
  4. Step 4: Simplify right side
    55,571,705.73x = 1,599,137,911,167,447
  5. Step 5: Solve for x
    x = 1,599,137,911,167,447/55,571,705.73
  6. Step 6: Final answer
    x = 28,776,117.09

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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.