Home / 43,571,380.60-65,357,070.90-20,896,564.60

Finding the Fourth Proportional to 43,571,380.60, 65,357,070.90 and 20,896,564.60

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Solution

The fourth proportional to 43,571,380.60, 65,357,070.90 and 20,896,564.60 is: 31,344,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,571,380.60 : 65,357,070.90 = 20,896,564.60 : x
  2. Step 2: Convert to fraction form
    43,571,380.60/65,357,070.90 = 20,896,564.60/x
  3. Step 3: Cross multiply
    43,571,380.60x = 65,357,070.90 × 20,896,564.60
  4. Step 4: Simplify right side
    43,571,380.60x = 1,365,738,254,128,630.25
  5. Step 5: Solve for x
    x = 1,365,738,254,128,630.25/43,571,380.60
  6. Step 6: Final answer
    x = 31,344,846.90

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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.