Home / 305,552,160.50-421,672,166.44-171,613,679.70

Finding the Fourth Proportional to 305,552,160.50, 421,672,166.44 and 171,613,679.70

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Solution

The fourth proportional to 305,552,160.50, 421,672,166.44 and 171,613,679.70 is: 236,832,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,552,160.50 : 421,672,166.44 = 171,613,679.70 : x
  2. Step 2: Convert to fraction form
    305,552,160.50/421,672,166.44 = 171,613,679.70/x
  3. Step 3: Cross multiply
    305,552,160.50x = 421,672,166.44 × 171,613,679.70
  4. Step 4: Simplify right side
    305,552,160.50x = 72,364,712,109,839,248
  5. Step 5: Solve for x
    x = 72,364,712,109,839,248/305,552,160.50
  6. Step 6: Final answer
    x = 236,832,598.37

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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.