Home / 103,072,169.61-154,271,775.56-75,771,236.25

Finding the Fourth Proportional to 103,072,169.61, 154,271,775.56 and 75,771,236.25

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Solution

The fourth proportional to 103,072,169.61, 154,271,775.56 and 75,771,236.25 is: 113,409,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,072,169.61 : 154,271,775.56 = 75,771,236.25 : x
  2. Step 2: Convert to fraction form
    103,072,169.61/154,271,775.56 = 75,771,236.25/x
  3. Step 3: Cross multiply
    103,072,169.61x = 154,271,775.56 × 75,771,236.25
  4. Step 4: Simplify right side
    103,072,169.61x = 11,689,363,152,284,880
  5. Step 5: Solve for x
    x = 11,689,363,152,284,880/103,072,169.61
  6. Step 6: Final answer
    x = 113,409,499.35

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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.