Home / 43,448,214.60-65,214,312.30-21,907,139.40

Finding the Fourth Proportional to 43,448,214.60, 65,214,312.30 and 21,907,139.40

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Solution

The fourth proportional to 43,448,214.60, 65,214,312.30 and 21,907,139.40 is: 32,881,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448,214.60 : 65,214,312.30 = 21,907,139.40 : x
  2. Step 2: Convert to fraction form
    43,448,214.60/65,214,312.30 = 21,907,139.40/x
  3. Step 3: Cross multiply
    43,448,214.60x = 65,214,312.30 × 21,907,139.40
  4. Step 4: Simplify right side
    43,448,214.60x = 1,428,659,030,431,234.50
  5. Step 5: Solve for x
    x = 1,428,659,030,431,234.50/43,448,214.60
  6. Step 6: Final answer
    x = 32,881,881.19

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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.