Home / 288,084,919.23-397,557,157.73-155,925,894.33

Finding the Fourth Proportional to 288,084,919.23, 397,557,157.73 and 155,925,894.33

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Solution

The fourth proportional to 288,084,919.23, 397,557,157.73 and 155,925,894.33 is: 215,177,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,084,919.23 : 397,557,157.73 = 155,925,894.33 : x
  2. Step 2: Convert to fraction form
    288,084,919.23/397,557,157.73 = 155,925,894.33/x
  3. Step 3: Cross multiply
    288,084,919.23x = 397,557,157.73 × 155,925,894.33
  4. Step 4: Simplify right side
    288,084,919.23x = 61,989,455,365,563,504
  5. Step 5: Solve for x
    x = 61,989,455,365,563,504/288,084,919.23
  6. Step 6: Final answer
    x = 215,177,717.50

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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.