Home / 135,588,974.76-186,937,157.88-87,819,237.72

Finding the Fourth Proportional to 135,588,974.76, 186,937,157.88 and 87,819,237.72

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Solution

The fourth proportional to 135,588,974.76, 186,937,157.88 and 87,819,237.72 is: 121,076,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,588,974.76 : 186,937,157.88 = 87,819,237.72 : x
  2. Step 2: Convert to fraction form
    135,588,974.76/186,937,157.88 = 87,819,237.72/x
  3. Step 3: Cross multiply
    135,588,974.76x = 186,937,157.88 × 87,819,237.72
  4. Step 4: Simplify right side
    135,588,974.76x = 16,416,678,706,564,890
  5. Step 5: Solve for x
    x = 16,416,678,706,564,890/135,588,974.76
  6. Step 6: Final answer
    x = 121,076,796.51

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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.