Home / 115,595,921.22-173,432,426.85-76,886,976.66

Finding the Fourth Proportional to 115,595,921.22, 173,432,426.85 and 76,886,976.66

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Solution

The fourth proportional to 115,595,921.22, 173,432,426.85 and 76,886,976.66 is: 115,356,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,595,921.22 : 173,432,426.85 = 76,886,976.66 : x
  2. Step 2: Convert to fraction form
    115,595,921.22/173,432,426.85 = 76,886,976.66/x
  3. Step 3: Cross multiply
    115,595,921.22x = 173,432,426.85 × 76,886,976.66
  4. Step 4: Simplify right side
    115,595,921.22x = 13,334,694,955,303,106
  5. Step 5: Solve for x
    x = 13,334,694,955,303,106/115,595,921.22
  6. Step 6: Final answer
    x = 115,356,102.66

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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.