Home / 186,605,128.20-257,566,296.34-108,313,904.68

Finding the Fourth Proportional to 186,605,128.20, 257,566,296.34 and 108,313,904.68

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Solution

The fourth proportional to 186,605,128.20, 257,566,296.34 and 108,313,904.68 is: 149,502,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,128.20 : 257,566,296.34 = 108,313,904.68 : x
  2. Step 2: Convert to fraction form
    186,605,128.20/257,566,296.34 = 108,313,904.68/x
  3. Step 3: Cross multiply
    186,605,128.20x = 257,566,296.34 × 108,313,904.68
  4. Step 4: Simplify right side
    186,605,128.20x = 27,898,011,270,551,396
  5. Step 5: Solve for x
    x = 27,898,011,270,551,396/186,605,128.20
  6. Step 6: Final answer
    x = 149,502,918.49

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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.