Home / 255,705,680.47-352,969,800.40-167,605,355.67

Finding the Fourth Proportional to 255,705,680.47, 352,969,800.40 and 167,605,355.67

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Solution

The fourth proportional to 255,705,680.47, 352,969,800.40 and 167,605,355.67 is: 231,358,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,705,680.47 : 352,969,800.40 = 167,605,355.67 : x
  2. Step 2: Convert to fraction form
    255,705,680.47/352,969,800.40 = 167,605,355.67/x
  3. Step 3: Cross multiply
    255,705,680.47x = 352,969,800.40 × 167,605,355.67
  4. Step 4: Simplify right side
    255,705,680.47x = 59,159,628,936,810,896
  5. Step 5: Solve for x
    x = 59,159,628,936,810,896/255,705,680.47
  6. Step 6: Final answer
    x = 231,358,289.84

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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.