Home / 132,915,102.58-183,415,188.79-74,173,157.38

Finding the Fourth Proportional to 132,915,102.58, 183,415,188.79 and 74,173,157.38

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Solution

The fourth proportional to 132,915,102.58, 183,415,188.79 and 74,173,157.38 is: 102,354,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,915,102.58 : 183,415,188.79 = 74,173,157.38 : x
  2. Step 2: Convert to fraction form
    132,915,102.58/183,415,188.79 = 74,173,157.38/x
  3. Step 3: Cross multiply
    132,915,102.58x = 183,415,188.79 × 74,173,157.38
  4. Step 4: Simplify right side
    132,915,102.58x = 13,604,483,664,003,080
  5. Step 5: Solve for x
    x = 13,604,483,664,003,080/132,915,102.58
  6. Step 6: Final answer
    x = 102,354,686.56

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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.