Home / 110,644,749.40-152,758,663.11-70,433,433.97

Finding the Fourth Proportional to 110,644,749.40, 152,758,663.11 and 70,433,433.97

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Solution

The fourth proportional to 110,644,749.40, 152,758,663.11 and 70,433,433.97 is: 97,242,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,644,749.40 : 152,758,663.11 = 70,433,433.97 : x
  2. Step 2: Convert to fraction form
    110,644,749.40/152,758,663.11 = 70,433,433.97/x
  3. Step 3: Cross multiply
    110,644,749.40x = 152,758,663.11 × 70,433,433.97
  4. Step 4: Simplify right side
    110,644,749.40x = 10,759,317,211,503,660
  5. Step 5: Solve for x
    x = 10,759,317,211,503,660/110,644,749.40
  6. Step 6: Final answer
    x = 97,242,004.43

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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.