Home / 72,433,258.32-108,678,915.64-26,378,330.96

Finding the Fourth Proportional to 72,433,258.32, 108,678,915.64 and 26,378,330.96

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Solution

The fourth proportional to 72,433,258.32, 108,678,915.64 and 26,378,330.96 is: 39,578,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,433,258.32 : 108,678,915.64 = 26,378,330.96 : x
  2. Step 2: Convert to fraction form
    72,433,258.32/108,678,915.64 = 26,378,330.96/x
  3. Step 3: Cross multiply
    72,433,258.32x = 108,678,915.64 × 26,378,330.96
  4. Step 4: Simplify right side
    72,433,258.32x = 2,866,768,405,125,840.50
  5. Step 5: Solve for x
    x = 2,866,768,405,125,840.50/72,433,258.32
  6. Step 6: Final answer
    x = 39,578,067.75

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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.