Home / 186,605,136.69-257,566,308.08-108,313,913.18

Finding the Fourth Proportional to 186,605,136.69, 257,566,308.08 and 108,313,913.18

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Solution

The fourth proportional to 186,605,136.69, 257,566,308.08 and 108,313,913.18 is: 149,502,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,136.69 : 257,566,308.08 = 108,313,913.18 : x
  2. Step 2: Convert to fraction form
    186,605,136.69/257,566,308.08 = 108,313,913.18/x
  3. Step 3: Cross multiply
    186,605,136.69x = 257,566,308.08 × 108,313,913.18
  4. Step 4: Simplify right side
    186,605,136.69x = 27,898,014,729,640,848
  5. Step 5: Solve for x
    x = 27,898,014,729,640,848/186,605,136.69
  6. Step 6: Final answer
    x = 149,502,930.22

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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.