Home / 65,457,240.90-98,170,114.95-20,019,429.06

Finding the Fourth Proportional to 65,457,240.90, 98,170,114.95 and 20,019,429.06

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Solution

The fourth proportional to 65,457,240.90, 98,170,114.95 and 20,019,429.06 is: 30,024,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457,240.90 : 98,170,114.95 = 20,019,429.06 : x
  2. Step 2: Convert to fraction form
    65,457,240.90/98,170,114.95 = 20,019,429.06/x
  3. Step 3: Cross multiply
    65,457,240.90x = 98,170,114.95 × 20,019,429.06
  4. Step 4: Simplify right side
    65,457,240.90x = 1,965,309,652,053,570.50
  5. Step 5: Solve for x
    x = 1,965,309,652,053,570.50/65,457,240.90
  6. Step 6: Final answer
    x = 30,024,327.71

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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.