Home / 71,038,050.54-106,538,579.13-30,076,405.08

Finding the Fourth Proportional to 71,038,050.54, 106,538,579.13 and 30,076,405.08

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Solution

The fourth proportional to 71,038,050.54, 106,538,579.13 and 30,076,405.08 is: 45,106,776.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038,050.54 : 106,538,579.13 = 30,076,405.08 : x
  2. Step 2: Convert to fraction form
    71,038,050.54/106,538,579.13 = 30,076,405.08/x
  3. Step 3: Cross multiply
    71,038,050.54x = 106,538,579.13 × 30,076,405.08
  4. Step 4: Simplify right side
    71,038,050.54x = 3,204,297,462,274,781
  5. Step 5: Solve for x
    x = 3,204,297,462,274,781/71,038,050.54
  6. Step 6: Final answer
    x = 45,106,776.41

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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.