Home / 190,473,253.82-285,641,374.26-65,942,068.22

Finding the Fourth Proportional to 190,473,253.82, 285,641,374.26 and 65,942,068.22

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Solution

The fourth proportional to 190,473,253.82, 285,641,374.26 and 65,942,068.22 is: 98,889,385.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,473,253.82 : 285,641,374.26 = 65,942,068.22 : x
  2. Step 2: Convert to fraction form
    190,473,253.82/285,641,374.26 = 65,942,068.22/x
  3. Step 3: Cross multiply
    190,473,253.82x = 285,641,374.26 × 65,942,068.22
  4. Step 4: Simplify right side
    190,473,253.82x = 18,835,782,987,907,472
  5. Step 5: Solve for x
    x = 18,835,782,987,907,472/190,473,253.82
  6. Step 6: Final answer
    x = 98,889,385.31

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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.