Home / 43,104,042.40-64,656,063.60-40,978,278.40

Finding the Fourth Proportional to 43,104,042.40, 64,656,063.60 and 40,978,278.40

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Solution

The fourth proportional to 43,104,042.40, 64,656,063.60 and 40,978,278.40 is: 61,467,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,104,042.40 : 64,656,063.60 = 40,978,278.40 : x
  2. Step 2: Convert to fraction form
    43,104,042.40/64,656,063.60 = 40,978,278.40/x
  3. Step 3: Cross multiply
    43,104,042.40x = 64,656,063.60 × 40,978,278.40
  4. Step 4: Simplify right side
    43,104,042.40x = 2,649,494,174,448,906
  5. Step 5: Solve for x
    x = 2,649,494,174,448,906/43,104,042.40
  6. Step 6: Final answer
    x = 61,467,417.60

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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.