Home / 298,064,721.14-411,329,334.95-165,902,881.40

Finding the Fourth Proportional to 298,064,721.14, 411,329,334.95 and 165,902,881.40

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Solution

The fourth proportional to 298,064,721.14, 411,329,334.95 and 165,902,881.40 is: 228,945,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,064,721.14 : 411,329,334.95 = 165,902,881.40 : x
  2. Step 2: Convert to fraction form
    298,064,721.14/411,329,334.95 = 165,902,881.40/x
  3. Step 3: Cross multiply
    298,064,721.14x = 411,329,334.95 × 165,902,881.40
  4. Step 4: Simplify right side
    298,064,721.14x = 68,240,721,872,550,728
  5. Step 5: Solve for x
    x = 68,240,721,872,550,728/298,064,721.14
  6. Step 6: Final answer
    x = 228,945,987.34

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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.