Home / 81,001,637.08-111,782,555.41-43,831,917.71

Finding the Fourth Proportional to 81,001,637.08, 111,782,555.41 and 43,831,917.71

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Solution

The fourth proportional to 81,001,637.08, 111,782,555.41 and 43,831,917.71 is: 60,488,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,637.08 : 111,782,555.41 = 43,831,917.71 : x
  2. Step 2: Convert to fraction form
    81,001,637.08/111,782,555.41 = 43,831,917.71/x
  3. Step 3: Cross multiply
    81,001,637.08x = 111,782,555.41 × 43,831,917.71
  4. Step 4: Simplify right side
    81,001,637.08x = 4,899,643,770,144,635
  5. Step 5: Solve for x
    x = 4,899,643,770,144,635/81,001,637.08
  6. Step 6: Final answer
    x = 60,488,206.74

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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.