Home / 309,410,566.03-426,994,659.07-170,184,981.45

Finding the Fourth Proportional to 309,410,566.03, 426,994,659.07 and 170,184,981.45

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Solution

The fourth proportional to 309,410,566.03, 426,994,659.07 and 170,184,981.45 is: 234,859,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,410,566.03 : 426,994,659.07 = 170,184,981.45 : x
  2. Step 2: Convert to fraction form
    309,410,566.03/426,994,659.07 = 170,184,981.45/x
  3. Step 3: Cross multiply
    309,410,566.03x = 426,994,659.07 × 170,184,981.45
  4. Step 4: Simplify right side
    309,410,566.03x = 72,668,078,134,252,800
  5. Step 5: Solve for x
    x = 72,668,078,134,252,800/309,410,566.03
  6. Step 6: Final answer
    x = 234,859,717.51

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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.