Home / 132,992,558.40-199,152,914.40-87,307,003.20

Finding the Fourth Proportional to 132,992,558.40, 199,152,914.40 and 87,307,003.20

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Solution

The fourth proportional to 132,992,558.40, 199,152,914.40 and 87,307,003.20 is: 130,739,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992,558.40 : 199,152,914.40 = 87,307,003.20 : x
  2. Step 2: Convert to fraction form
    132,992,558.40/199,152,914.40 = 87,307,003.20/x
  3. Step 3: Cross multiply
    132,992,558.40x = 199,152,914.40 × 87,307,003.20
  4. Step 4: Simplify right side
    132,992,558.40x = 17,387,444,134,810,128
  5. Step 5: Solve for x
    x = 17,387,444,134,810,128/132,992,558.40
  6. Step 6: Final answer
    x = 130,739,977.82

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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.