Home / 189,685,334.48-261,766,199.88-106,056,445.52

Finding the Fourth Proportional to 189,685,334.48, 261,766,199.88 and 106,056,445.52

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Solution

The fourth proportional to 189,685,334.48, 261,766,199.88 and 106,056,445.52 is: 146,358,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,685,334.48 : 261,766,199.88 = 106,056,445.52 : x
  2. Step 2: Convert to fraction form
    189,685,334.48/261,766,199.88 = 106,056,445.52/x
  3. Step 3: Cross multiply
    189,685,334.48x = 261,766,199.88 × 106,056,445.52
  4. Step 4: Simplify right side
    189,685,334.48x = 27,761,992,716,550,648
  5. Step 5: Solve for x
    x = 27,761,992,716,550,648/189,685,334.48
  6. Step 6: Final answer
    x = 146,358,139.88

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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.