Home / 115,467,891.84-159,345,677.52-69,058,138.32

Finding the Fourth Proportional to 115,467,891.84, 159,345,677.52 and 69,058,138.32

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Solution

The fourth proportional to 115,467,891.84, 159,345,677.52 and 69,058,138.32 is: 95,300,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,467,891.84 : 159,345,677.52 = 69,058,138.32 : x
  2. Step 2: Convert to fraction form
    115,467,891.84/159,345,677.52 = 69,058,138.32/x
  3. Step 3: Cross multiply
    115,467,891.84x = 159,345,677.52 × 69,058,138.32
  4. Step 4: Simplify right side
    115,467,891.84x = 11,004,115,838,870,274
  5. Step 5: Solve for x
    x = 11,004,115,838,870,274/115,467,891.84
  6. Step 6: Final answer
    x = 95,300,222.98

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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.