Home / 190,378,047.24-285,592,492.03-75,335,685.36

Finding the Fourth Proportional to 190,378,047.24, 285,592,492.03 and 75,335,685.36

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Solution

The fourth proportional to 190,378,047.24, 285,592,492.03 and 75,335,685.36 is: 113,013,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378,047.24 : 285,592,492.03 = 75,335,685.36 : x
  2. Step 2: Convert to fraction form
    190,378,047.24/285,592,492.03 = 75,335,685.36/x
  3. Step 3: Cross multiply
    190,378,047.24x = 285,592,492.03 × 75,335,685.36
  4. Step 4: Simplify right side
    190,378,047.24x = 21,515,306,120,750,384
  5. Step 5: Solve for x
    x = 21,515,306,120,750,384/190,378,047.24
  6. Step 6: Final answer
    x = 113,013,587.61

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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.