Home / 263,087,783,051.52-363,061,409,309.28-142,793,746,017.60

Finding the Fourth Proportional to 263,087,783,051.52, 363,061,409,309.28 and 142,793,746,017.60

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Solution

The fourth proportional to 263,087,783,051.52, 363,061,409,309.28 and 142,793,746,017.60 is: 197,055,515,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,087,783,051.52 : 363,061,409,309.28 = 142,793,746,017.60 : x
  2. Step 2: Convert to fraction form
    263,087,783,051.52/363,061,409,309.28 = 142,793,746,017.60/x
  3. Step 3: Cross multiply
    263,087,783,051.52x = 363,061,409,309.28 × 142,793,746,017.60
  4. Step 4: Simplify right side
    263,087,783,051.52x = 51,842,898,669,701,255,135,232
  5. Step 5: Solve for x
    x = 51,842,898,669,701,255,135,232/263,087,783,051.52
  6. Step 6: Final answer
    x = 197,055,515,343.14

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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.