Home / 106,931,372.40-160,113,623.40-84,256,556.40

Finding the Fourth Proportional to 106,931,372.40, 160,113,623.40 and 84,256,556.40

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Solution

The fourth proportional to 106,931,372.40, 160,113,623.40 and 84,256,556.40 is: 126,161,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931,372.40 : 160,113,623.40 = 84,256,556.40 : x
  2. Step 2: Convert to fraction form
    106,931,372.40/160,113,623.40 = 84,256,556.40/x
  3. Step 3: Cross multiply
    106,931,372.40x = 160,113,623.40 × 84,256,556.40
  4. Step 4: Simplify right side
    106,931,372.40x = 13,490,622,540,410,462
  5. Step 5: Solve for x
    x = 13,490,622,540,410,462/106,931,372.40
  6. Step 6: Final answer
    x = 126,161,501.88

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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.