Home / 186,066,229.60-279,099,344.40-121,017,851.20

Finding the Fourth Proportional to 186,066,229.60, 279,099,344.40 and 121,017,851.20

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Solution

The fourth proportional to 186,066,229.60, 279,099,344.40 and 121,017,851.20 is: 181,526,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,066,229.60 : 279,099,344.40 = 121,017,851.20 : x
  2. Step 2: Convert to fraction form
    186,066,229.60/279,099,344.40 = 121,017,851.20/x
  3. Step 3: Cross multiply
    186,066,229.60x = 279,099,344.40 × 121,017,851.20
  4. Step 4: Simplify right side
    186,066,229.60x = 33,776,002,930,616,752
  5. Step 5: Solve for x
    x = 33,776,002,930,616,752/186,066,229.60
  6. Step 6: Final answer
    x = 181,526,776.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.