Home / 190,633,113.80-285,819,127.62-97,078,991.12

Finding the Fourth Proportional to 190,633,113.80, 285,819,127.62 and 97,078,991.12

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Solution

The fourth proportional to 190,633,113.80, 285,819,127.62 and 97,078,991.12 is: 145,552,008.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,633,113.80 : 285,819,127.62 = 97,078,991.12 : x
  2. Step 2: Convert to fraction form
    190,633,113.80/285,819,127.62 = 97,078,991.12/x
  3. Step 3: Cross multiply
    190,633,113.80x = 285,819,127.62 × 97,078,991.12
  4. Step 4: Simplify right side
    190,633,113.80x = 27,747,032,552,148,128
  5. Step 5: Solve for x
    x = 27,747,032,552,148,128/190,633,113.80
  6. Step 6: Final answer
    x = 145,552,008.25

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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.