Home / 160,300,625.67-221,196,200.90-89,740,099.67

Finding the Fourth Proportional to 160,300,625.67, 221,196,200.90 and 89,740,099.67

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Solution

The fourth proportional to 160,300,625.67, 221,196,200.90 and 89,740,099.67 is: 123,830,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,300,625.67 : 221,196,200.90 = 89,740,099.67 : x
  2. Step 2: Convert to fraction form
    160,300,625.67/221,196,200.90 = 89,740,099.67/x
  3. Step 3: Cross multiply
    160,300,625.67x = 221,196,200.90 × 89,740,099.67
  4. Step 4: Simplify right side
    160,300,625.67x = 19,850,169,113,836,664
  5. Step 5: Solve for x
    x = 19,850,169,113,836,664/160,300,625.67
  6. Step 6: Final answer
    x = 123,830,889.81

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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.