Home / 217,252,406.40-325,453,456.80-130,733,811.60

Finding the Fourth Proportional to 217,252,406.40, 325,453,456.80 and 130,733,811.60

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Solution

The fourth proportional to 217,252,406.40, 325,453,456.80 and 130,733,811.60 is: 195,844,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,252,406.40 : 325,453,456.80 = 130,733,811.60 : x
  2. Step 2: Convert to fraction form
    217,252,406.40/325,453,456.80 = 130,733,811.60/x
  3. Step 3: Cross multiply
    217,252,406.40x = 325,453,456.80 × 130,733,811.60
  4. Step 4: Simplify right side
    217,252,406.40x = 42,547,770,905,859,936
  5. Step 5: Solve for x
    x = 42,547,770,905,859,936/217,252,406.40
  6. Step 6: Final answer
    x = 195,844,877.44

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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.