Home / 208,744,832.52-288,059,976.44-115,931,319.08

Finding the Fourth Proportional to 208,744,832.52, 288,059,976.44 and 115,931,319.08

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Solution

The fourth proportional to 208,744,832.52, 288,059,976.44 and 115,931,319.08 is: 159,980,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,744,832.52 : 288,059,976.44 = 115,931,319.08 : x
  2. Step 2: Convert to fraction form
    208,744,832.52/288,059,976.44 = 115,931,319.08/x
  3. Step 3: Cross multiply
    208,744,832.52x = 288,059,976.44 × 115,931,319.08
  4. Step 4: Simplify right side
    208,744,832.52x = 33,395,173,042,842,920
  5. Step 5: Solve for x
    x = 33,395,173,042,842,920/208,744,832.52
  6. Step 6: Final answer
    x = 159,980,837.08

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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.