Home / 153,942,834,592.44-230,616,401,791.26-86,585,423,876.64

Finding the Fourth Proportional to 153,942,834,592.44, 230,616,401,791.26 and 86,585,423,876.64

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Solution

The fourth proportional to 153,942,834,592.44, 230,616,401,791.26 and 86,585,423,876.64 is: 129,710,609,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,942,834,592.44 : 230,616,401,791.26 = 86,585,423,876.64 : x
  2. Step 2: Convert to fraction form
    153,942,834,592.44/230,616,401,791.26 = 86,585,423,876.64/x
  3. Step 3: Cross multiply
    153,942,834,592.44x = 230,616,401,791.26 × 86,585,423,876.64
  4. Step 4: Simplify right side
    153,942,834,592.44x = 19,968,018,902,001,769,250,816
  5. Step 5: Solve for x
    x = 19,968,018,902,001,769,250,816/153,942,834,592.44
  6. Step 6: Final answer
    x = 129,710,609,492.59

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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.