Home / 236,406,842.38-354,573,905.64-78,842,623.24

Finding the Fourth Proportional to 236,406,842.38, 354,573,905.64 and 78,842,623.24

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Solution

The fourth proportional to 236,406,842.38, 354,573,905.64 and 78,842,623.24 is: 118,251,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,406,842.38 : 354,573,905.64 = 78,842,623.24 : x
  2. Step 2: Convert to fraction form
    236,406,842.38/354,573,905.64 = 78,842,623.24/x
  3. Step 3: Cross multiply
    236,406,842.38x = 354,573,905.64 × 78,842,623.24
  4. Step 4: Simplify right side
    236,406,842.38x = 27,955,536,853,109,828
  5. Step 5: Solve for x
    x = 27,955,536,853,109,828/236,406,842.38
  6. Step 6: Final answer
    x = 118,251,809.35

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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.