Home / 69,805,483.47-104,572,006.75-54,380,548.55

Finding the Fourth Proportional to 69,805,483.47, 104,572,006.75 and 54,380,548.55

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Solution

The fourth proportional to 69,805,483.47, 104,572,006.75 and 54,380,548.55 is: 81,464,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805,483.47 : 104,572,006.75 = 54,380,548.55 : x
  2. Step 2: Convert to fraction form
    69,805,483.47/104,572,006.75 = 54,380,548.55/x
  3. Step 3: Cross multiply
    69,805,483.47x = 104,572,006.75 × 54,380,548.55
  4. Step 4: Simplify right side
    69,805,483.47x = 5,686,683,090,039,302
  5. Step 5: Solve for x
    x = 5,686,683,090,039,302/69,805,483.47
  6. Step 6: Final answer
    x = 81,464,704.60

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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.