Home / 132,860,552.40-199,290,828.60-81,576,277.20

Finding the Fourth Proportional to 132,860,552.40, 199,290,828.60 and 81,576,277.20

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Solution

The fourth proportional to 132,860,552.40, 199,290,828.60 and 81,576,277.20 is: 122,364,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,552.40 : 199,290,828.60 = 81,576,277.20 : x
  2. Step 2: Convert to fraction form
    132,860,552.40/199,290,828.60 = 81,576,277.20/x
  3. Step 3: Cross multiply
    132,860,552.40x = 199,290,828.60 × 81,576,277.20
  4. Step 4: Simplify right side
    132,860,552.40x = 16,257,403,877,291,288
  5. Step 5: Solve for x
    x = 16,257,403,877,291,288/132,860,552.40
  6. Step 6: Final answer
    x = 122,364,415.80

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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.