Home / 186,930,642-257,963,651.73-103,296,437.76

Finding the Fourth Proportional to 186,930,642, 257,963,651.73 and 103,296,437.76

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Solution

The fourth proportional to 186,930,642, 257,963,651.73 and 103,296,437.76 is: 142,548,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,930,642 : 257,963,651.73 = 103,296,437.76 : x
  2. Step 2: Convert to fraction form
    186,930,642/257,963,651.73 = 103,296,437.76/x
  3. Step 3: Cross multiply
    186,930,642x = 257,963,651.73 × 103,296,437.76
  4. Step 4: Simplify right side
    186,930,642x = 26,646,726,295,270,260
  5. Step 5: Solve for x
    x = 26,646,726,295,270,260/186,930,642
  6. Step 6: Final answer
    x = 142,548,733.64

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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.