Home / 66,581,321.40-99,871,982.10-51,464,777.40

Finding the Fourth Proportional to 66,581,321.40, 99,871,982.10 and 51,464,777.40

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Solution

The fourth proportional to 66,581,321.40, 99,871,982.10 and 51,464,777.40 is: 77,197,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,581,321.40 : 99,871,982.10 = 51,464,777.40 : x
  2. Step 2: Convert to fraction form
    66,581,321.40/99,871,982.10 = 51,464,777.40/x
  3. Step 3: Cross multiply
    66,581,321.40x = 99,871,982.10 × 51,464,777.40
  4. Step 4: Simplify right side
    66,581,321.40x = 5,139,889,327,273,284
  5. Step 5: Solve for x
    x = 5,139,889,327,273,284/66,581,321.40
  6. Step 6: Final answer
    x = 77,197,166.10

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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.