Home / 186,672,668.28-257,608,296.40-103,040,818.68

Finding the Fourth Proportional to 186,672,668.28, 257,608,296.40 and 103,040,818.68

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Solution

The fourth proportional to 186,672,668.28, 257,608,296.40 and 103,040,818.68 is: 142,196,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672,668.28 : 257,608,296.40 = 103,040,818.68 : x
  2. Step 2: Convert to fraction form
    186,672,668.28/257,608,296.40 = 103,040,818.68/x
  3. Step 3: Cross multiply
    186,672,668.28x = 257,608,296.40 × 103,040,818.68
  4. Step 4: Simplify right side
    186,672,668.28x = 26,544,169,759,816,100
  5. Step 5: Solve for x
    x = 26,544,169,759,816,100/186,672,668.28
  6. Step 6: Final answer
    x = 142,196,337.60

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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.