Home / 238,319,695.32-328,885,112.88-131,033,550.48

Finding the Fourth Proportional to 238,319,695.32, 328,885,112.88 and 131,033,550.48

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Solution

The fourth proportional to 238,319,695.32, 328,885,112.88 and 131,033,550.48 is: 180,828,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,319,695.32 : 328,885,112.88 = 131,033,550.48 : x
  2. Step 2: Convert to fraction form
    238,319,695.32/328,885,112.88 = 131,033,550.48/x
  3. Step 3: Cross multiply
    238,319,695.32x = 328,885,112.88 × 131,033,550.48
  4. Step 4: Simplify right side
    238,319,695.32x = 43,094,984,040,681,976
  5. Step 5: Solve for x
    x = 43,094,984,040,681,976/238,319,695.32
  6. Step 6: Final answer
    x = 180,828,462.30

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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.