Home / 123,210,445.44-170,031,758.40-68,207,220.48

Finding the Fourth Proportional to 123,210,445.44, 170,031,758.40 and 68,207,220.48

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Solution

The fourth proportional to 123,210,445.44, 170,031,758.40 and 68,207,220.48 is: 94,126,708.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210,445.44 : 170,031,758.40 = 68,207,220.48 : x
  2. Step 2: Convert to fraction form
    123,210,445.44/170,031,758.40 = 68,207,220.48/x
  3. Step 3: Cross multiply
    123,210,445.44x = 170,031,758.40 × 68,207,220.48
  4. Step 4: Simplify right side
    123,210,445.44x = 11,597,393,633,790,894
  5. Step 5: Solve for x
    x = 11,597,393,633,790,894/123,210,445.44
  6. Step 6: Final answer
    x = 94,126,708.11

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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.