Home / 258,066,685.60-387,100,028.40-176,317,079.20

Finding the Fourth Proportional to 258,066,685.60, 387,100,028.40 and 176,317,079.20

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Solution

The fourth proportional to 258,066,685.60, 387,100,028.40 and 176,317,079.20 is: 264,475,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,066,685.60 : 387,100,028.40 = 176,317,079.20 : x
  2. Step 2: Convert to fraction form
    258,066,685.60/387,100,028.40 = 176,317,079.20/x
  3. Step 3: Cross multiply
    258,066,685.60x = 387,100,028.40 × 176,317,079.20
  4. Step 4: Simplify right side
    258,066,685.60x = 68,252,346,365,725,040
  5. Step 5: Solve for x
    x = 68,252,346,365,725,040/258,066,685.60
  6. Step 6: Final answer
    x = 264,475,618.80

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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.