Home / 201,399,220,602.42-277,929,510,562.50-109,947,771,415.65

Finding the Fourth Proportional to 201,399,220,602.42, 277,929,510,562.50 and 109,947,771,415.65

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Solution

The fourth proportional to 201,399,220,602.42, 277,929,510,562.50 and 109,947,771,415.65 is: 151,727,152,694.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,399,220,602.42 : 277,929,510,562.50 = 109,947,771,415.65 : x
  2. Step 2: Convert to fraction form
    201,399,220,602.42/277,929,510,562.50 = 109,947,771,415.65/x
  3. Step 3: Cross multiply
    201,399,220,602.42x = 277,929,510,562.50 × 109,947,771,415.65
  4. Step 4: Simplify right side
    201,399,220,602.42x = 30,557,730,296,989,231,349,760
  5. Step 5: Solve for x
    x = 30,557,730,296,989,231,349,760/201,399,220,602.42
  6. Step 6: Final answer
    x = 151,727,152,694.96

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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.