Home / 55,742,173.26-83,614,100.79-19,351,719.78

Finding the Fourth Proportional to 55,742,173.26, 83,614,100.79 and 19,351,719.78

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Solution

The fourth proportional to 55,742,173.26, 83,614,100.79 and 19,351,719.78 is: 29,027,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742,173.26 : 83,614,100.79 = 19,351,719.78 : x
  2. Step 2: Convert to fraction form
    55,742,173.26/83,614,100.79 = 19,351,719.78/x
  3. Step 3: Cross multiply
    55,742,173.26x = 83,614,100.79 × 19,351,719.78
  4. Step 4: Simplify right side
    55,742,173.26x = 1,618,076,648,144,756.75
  5. Step 5: Solve for x
    x = 1,618,076,648,144,756.75/55,742,173.26
  6. Step 6: Final answer
    x = 29,027,871.60

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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.