Home / 117,648,417.44-162,352,487.76-65,436,329.36

Finding the Fourth Proportional to 117,648,417.44, 162,352,487.76 and 65,436,329.36

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Solution

The fourth proportional to 117,648,417.44, 162,352,487.76 and 65,436,329.36 is: 90,300,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,648,417.44 : 162,352,487.76 = 65,436,329.36 : x
  2. Step 2: Convert to fraction form
    117,648,417.44/162,352,487.76 = 65,436,329.36/x
  3. Step 3: Cross multiply
    117,648,417.44x = 162,352,487.76 × 65,436,329.36
  4. Step 4: Simplify right side
    117,648,417.44x = 10,623,750,861,478,728
  5. Step 5: Solve for x
    x = 10,623,750,861,478,728/117,648,417.44
  6. Step 6: Final answer
    x = 90,300,839.51

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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.