Home / 158,977,212.60-238,171,886.10-90,616,841.40

Finding the Fourth Proportional to 158,977,212.60, 238,171,886.10 and 90,616,841.40

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Solution

The fourth proportional to 158,977,212.60, 238,171,886.10 and 90,616,841.40 is: 135,757,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,977,212.60 : 238,171,886.10 = 90,616,841.40 : x
  2. Step 2: Convert to fraction form
    158,977,212.60/238,171,886.10 = 90,616,841.40/x
  3. Step 3: Cross multiply
    158,977,212.60x = 238,171,886.10 × 90,616,841.40
  4. Step 4: Simplify right side
    158,977,212.60x = 21,582,384,028,662,564
  5. Step 5: Solve for x
    x = 21,582,384,028,662,564/158,977,212.60
  6. Step 6: Final answer
    x = 135,757,720.72

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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.