Home / 190,839,061.72-285,993,754.20-86,954,386.60

Finding the Fourth Proportional to 190,839,061.72, 285,993,754.20 and 86,954,386.60

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Solution

The fourth proportional to 190,839,061.72, 285,993,754.20 and 86,954,386.60 is: 130,310,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,839,061.72 : 285,993,754.20 = 86,954,386.60 : x
  2. Step 2: Convert to fraction form
    190,839,061.72/285,993,754.20 = 86,954,386.60/x
  3. Step 3: Cross multiply
    190,839,061.72x = 285,993,754.20 × 86,954,386.60
  4. Step 4: Simplify right side
    190,839,061.72x = 24,868,411,467,892,172
  5. Step 5: Solve for x
    x = 24,868,411,467,892,172/190,839,061.72
  6. Step 6: Final answer
    x = 130,310,908.28

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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.