Home / 157,760,670.80-236,641,006.20-155,493,189.20

Finding the Fourth Proportional to 157,760,670.80, 236,641,006.20 and 155,493,189.20

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Solution

The fourth proportional to 157,760,670.80, 236,641,006.20 and 155,493,189.20 is: 233,239,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,760,670.80 : 236,641,006.20 = 155,493,189.20 : x
  2. Step 2: Convert to fraction form
    157,760,670.80/236,641,006.20 = 155,493,189.20/x
  3. Step 3: Cross multiply
    157,760,670.80x = 236,641,006.20 × 155,493,189.20
  4. Step 4: Simplify right side
    157,760,670.80x = 36,796,064,749,534,968
  5. Step 5: Solve for x
    x = 36,796,064,749,534,968/157,760,670.80
  6. Step 6: Final answer
    x = 233,239,783.80

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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.