Home / 173,198,357.15-259,882,894.34-81,088,332.35

Finding the Fourth Proportional to 173,198,357.15, 259,882,894.34 and 81,088,332.35

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Solution

The fourth proportional to 173,198,357.15, 259,882,894.34 and 81,088,332.35 is: 121,672,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,198,357.15 : 259,882,894.34 = 81,088,332.35 : x
  2. Step 2: Convert to fraction form
    173,198,357.15/259,882,894.34 = 81,088,332.35/x
  3. Step 3: Cross multiply
    173,198,357.15x = 259,882,894.34 × 81,088,332.35
  4. Step 4: Simplify right side
    173,198,357.15x = 21,073,470,509,174,284
  5. Step 5: Solve for x
    x = 21,073,470,509,174,284/173,198,357.15
  6. Step 6: Final answer
    x = 121,672,461.88

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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.