Home / 190,124,658,004.65-285,186,987,006.97-123,178,397,505.45

Finding the Fourth Proportional to 190,124,658,004.65, 285,186,987,006.97 and 123,178,397,505.45

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Solution

The fourth proportional to 190,124,658,004.65, 285,186,987,006.97 and 123,178,397,505.45 is: 184,767,596,258.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124,658,004.65 : 285,186,987,006.97 = 123,178,397,505.45 : x
  2. Step 2: Convert to fraction form
    190,124,658,004.65/285,186,987,006.97 = 123,178,397,505.45/x
  3. Step 3: Cross multiply
    190,124,658,004.65x = 285,186,987,006.97 × 123,178,397,505.45
  4. Step 4: Simplify right side
    190,124,658,004.65x = 35,128,876,048,926,151,540,736
  5. Step 5: Solve for x
    x = 35,128,876,048,926,151,540,736/190,124,658,004.65
  6. Step 6: Final answer
    x = 184,767,596,258.17

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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.