Home / 238,555,087.20-357,832,630.80-193,205,455.20

Finding the Fourth Proportional to 238,555,087.20, 357,832,630.80 and 193,205,455.20

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Solution

The fourth proportional to 238,555,087.20, 357,832,630.80 and 193,205,455.20 is: 289,808,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,555,087.20 : 357,832,630.80 = 193,205,455.20 : x
  2. Step 2: Convert to fraction form
    238,555,087.20/357,832,630.80 = 193,205,455.20/x
  3. Step 3: Cross multiply
    238,555,087.20x = 357,832,630.80 × 193,205,455.20
  4. Step 4: Simplify right side
    238,555,087.20x = 69,135,216,319,127,536
  5. Step 5: Solve for x
    x = 69,135,216,319,127,536/238,555,087.20
  6. Step 6: Final answer
    x = 289,808,182.80

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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.