Home / 186,605,130.20-257,566,299.10-108,313,906.68

Finding the Fourth Proportional to 186,605,130.20, 257,566,299.10 and 108,313,906.68

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Solution

The fourth proportional to 186,605,130.20, 257,566,299.10 and 108,313,906.68 is: 149,502,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,605,130.20 : 257,566,299.10 = 108,313,906.68 : x
  2. Step 2: Convert to fraction form
    186,605,130.20/257,566,299.10 = 108,313,906.68/x
  3. Step 3: Cross multiply
    186,605,130.20x = 257,566,299.10 × 108,313,906.68
  4. Step 4: Simplify right side
    186,605,130.20x = 27,898,012,084,630,368
  5. Step 5: Solve for x
    x = 27,898,012,084,630,368/186,605,130.20
  6. Step 6: Final answer
    x = 149,502,921.25

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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.