Home / 117,648,416.44-162,352,486.38-65,436,328.36

Finding the Fourth Proportional to 117,648,416.44, 162,352,486.38 and 65,436,328.36

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Solution

The fourth proportional to 117,648,416.44, 162,352,486.38 and 65,436,328.36 is: 90,300,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648,416.44 : 162,352,486.38 = 65,436,328.36 : x
  2. Step 2: Convert to fraction form
    117,648,416.44/162,352,486.38 = 65,436,328.36/x
  3. Step 3: Cross multiply
    117,648,416.44x = 162,352,486.38 × 65,436,328.36
  4. Step 4: Simplify right side
    117,648,416.44x = 10,623,750,608,824,108
  5. Step 5: Solve for x
    x = 10,623,750,608,824,108/117,648,416.44
  6. Step 6: Final answer
    x = 90,300,838.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.