Home / 65,189,969.40-97,798,076.10-19,131,749.40

Finding the Fourth Proportional to 65,189,969.40, 97,798,076.10 and 19,131,749.40

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Solution

The fourth proportional to 65,189,969.40, 97,798,076.10 and 19,131,749.40 is: 28,701,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,189,969.40 : 97,798,076.10 = 19,131,749.40 : x
  2. Step 2: Convert to fraction form
    65,189,969.40/97,798,076.10 = 19,131,749.40/x
  3. Step 3: Cross multiply
    65,189,969.40x = 97,798,076.10 × 19,131,749.40
  4. Step 4: Simplify right side
    65,189,969.40x = 1,871,048,283,747,329
  5. Step 5: Solve for x
    x = 1,871,048,283,747,329/65,189,969.40
  6. Step 6: Final answer
    x = 28,701,475.10

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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.