Home / 128,069,111.80-192,180,176.38-117,649,525.67

Finding the Fourth Proportional to 128,069,111.80, 192,180,176.38 and 117,649,525.67

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Solution

The fourth proportional to 128,069,111.80, 192,180,176.38 and 117,649,525.67 is: 176,544,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,069,111.80 : 192,180,176.38 = 117,649,525.67 : x
  2. Step 2: Convert to fraction form
    128,069,111.80/192,180,176.38 = 117,649,525.67/x
  3. Step 3: Cross multiply
    128,069,111.80x = 192,180,176.38 × 117,649,525.67
  4. Step 4: Simplify right side
    128,069,111.80x = 22,609,906,594,283,936
  5. Step 5: Solve for x
    x = 22,609,906,594,283,936/128,069,111.80
  6. Step 6: Final answer
    x = 176,544,572.52

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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.