Home / 127,938,682.39-191,908,585.81-40,500,628.92

Finding the Fourth Proportional to 127,938,682.39, 191,908,585.81 and 40,500,628.92

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Solution

The fourth proportional to 127,938,682.39, 191,908,585.81 and 40,500,628.92 is: 60,751,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,938,682.39 : 191,908,585.81 = 40,500,628.92 : x
  2. Step 2: Convert to fraction form
    127,938,682.39/191,908,585.81 = 40,500,628.92/x
  3. Step 3: Cross multiply
    127,938,682.39x = 191,908,585.81 × 40,500,628.92
  4. Step 4: Simplify right side
    127,938,682.39x = 7,772,418,419,290,742
  5. Step 5: Solve for x
    x = 7,772,418,419,290,742/127,938,682.39
  6. Step 6: Final answer
    x = 60,751,121.35

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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.