Home / 111,173,426.60-153,419,343.25-61,616,999.75

Finding the Fourth Proportional to 111,173,426.60, 153,419,343.25 and 61,616,999.75

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Solution

The fourth proportional to 111,173,426.60, 153,419,343.25 and 61,616,999.75 is: 85,031,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,173,426.60 : 153,419,343.25 = 61,616,999.75 : x
  2. Step 2: Convert to fraction form
    111,173,426.60/153,419,343.25 = 61,616,999.75/x
  3. Step 3: Cross multiply
    111,173,426.60x = 153,419,343.25 × 61,616,999.75
  4. Step 4: Simplify right side
    111,173,426.60x = 9,453,239,633,913,318
  5. Step 5: Solve for x
    x = 9,453,239,633,913,318/111,173,426.60
  6. Step 6: Final answer
    x = 85,031,467.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.