Home / 49,762,816.40-74,638,918.20-17,415,336.80

Finding the Fourth Proportional to 49,762,816.40, 74,638,918.20 and 17,415,336.80

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Solution

The fourth proportional to 49,762,816.40, 74,638,918.20 and 17,415,336.80 is: 26,121,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,816.40 : 74,638,918.20 = 17,415,336.80 : x
  2. Step 2: Convert to fraction form
    49,762,816.40/74,638,918.20 = 17,415,336.80/x
  3. Step 3: Cross multiply
    49,762,816.40x = 74,638,918.20 × 17,415,336.80
  4. Step 4: Simplify right side
    49,762,816.40x = 1,299,861,898,840,649.75
  5. Step 5: Solve for x
    x = 1,299,861,898,840,649.75/49,762,816.40
  6. Step 6: Final answer
    x = 26,121,148.14

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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.