Home / 190,288,904.30-285,433,356.45-132,893,276.30

Finding the Fourth Proportional to 190,288,904.30, 285,433,356.45 and 132,893,276.30

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Solution

The fourth proportional to 190,288,904.30, 285,433,356.45 and 132,893,276.30 is: 199,339,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288,904.30 : 285,433,356.45 = 132,893,276.30 : x
  2. Step 2: Convert to fraction form
    190,288,904.30/285,433,356.45 = 132,893,276.30/x
  3. Step 3: Cross multiply
    190,288,904.30x = 285,433,356.45 × 132,893,276.30
  4. Step 4: Simplify right side
    190,288,904.30x = 37,932,173,903,946,232
  5. Step 5: Solve for x
    x = 37,932,173,903,946,232/190,288,904.30
  6. Step 6: Final answer
    x = 199,339,914.45

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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.