Home / 113,368,220.10-170,052,330.15-74,401,128.90

Finding the Fourth Proportional to 113,368,220.10, 170,052,330.15 and 74,401,128.90

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Solution

The fourth proportional to 113,368,220.10, 170,052,330.15 and 74,401,128.90 is: 111,601,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368,220.10 : 170,052,330.15 = 74,401,128.90 : x
  2. Step 2: Convert to fraction form
    113,368,220.10/170,052,330.15 = 74,401,128.90/x
  3. Step 3: Cross multiply
    113,368,220.10x = 170,052,330.15 × 74,401,128.90
  4. Step 4: Simplify right side
    113,368,220.10x = 12,652,085,335,235,508
  5. Step 5: Solve for x
    x = 12,652,085,335,235,508/113,368,220.10
  6. Step 6: Final answer
    x = 111,601,693.35

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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.