Home / 138,803,527.40-191,309,779.14-92,310,706.76

Finding the Fourth Proportional to 138,803,527.40, 191,309,779.14 and 92,310,706.76

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Solution

The fourth proportional to 138,803,527.40, 191,309,779.14 and 92,310,706.76 is: 127,229,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,803,527.40 : 191,309,779.14 = 92,310,706.76 : x
  2. Step 2: Convert to fraction form
    138,803,527.40/191,309,779.14 = 92,310,706.76/x
  3. Step 3: Cross multiply
    138,803,527.40x = 191,309,779.14 × 92,310,706.76
  4. Step 4: Simplify right side
    138,803,527.40x = 17,659,940,922,512,904
  5. Step 5: Solve for x
    x = 17,659,940,922,512,904/138,803,527.40
  6. Step 6: Final answer
    x = 127,229,770.41

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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.