Home / 43,848,007.80-65,772,011.70-21,131,201.40

Finding the Fourth Proportional to 43,848,007.80, 65,772,011.70 and 21,131,201.40

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Solution

The fourth proportional to 43,848,007.80, 65,772,011.70 and 21,131,201.40 is: 31,696,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,848,007.80 : 65,772,011.70 = 21,131,201.40 : x
  2. Step 2: Convert to fraction form
    43,848,007.80/65,772,011.70 = 21,131,201.40/x
  3. Step 3: Cross multiply
    43,848,007.80x = 65,772,011.70 × 21,131,201.40
  4. Step 4: Simplify right side
    43,848,007.80x = 1,389,841,625,715,856.25
  5. Step 5: Solve for x
    x = 1,389,841,625,715,856.25/43,848,007.80
  6. Step 6: Final answer
    x = 31,696,802.10

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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.