Home / 127,907,971.30-176,570,644.17-81,560,522.98

Finding the Fourth Proportional to 127,907,971.30, 176,570,644.17 and 81,560,522.98

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Solution

The fourth proportional to 127,907,971.30, 176,570,644.17 and 81,560,522.98 is: 112,590,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907,971.30 : 176,570,644.17 = 81,560,522.98 : x
  2. Step 2: Convert to fraction form
    127,907,971.30/176,570,644.17 = 81,560,522.98/x
  3. Step 3: Cross multiply
    127,907,971.30x = 176,570,644.17 × 81,560,522.98
  4. Step 4: Simplify right side
    127,907,971.30x = 14,401,194,081,420,688
  5. Step 5: Solve for x
    x = 14,401,194,081,420,688/127,907,971.30
  6. Step 6: Final answer
    x = 112,590,278.27

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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.