Home / 107,913,975.63-161,872,341.32-31,237,077.66

Finding the Fourth Proportional to 107,913,975.63, 161,872,341.32 and 31,237,077.66

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Solution

The fourth proportional to 107,913,975.63, 161,872,341.32 and 31,237,077.66 is: 46,856,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,913,975.63 : 161,872,341.32 = 31,237,077.66 : x
  2. Step 2: Convert to fraction form
    107,913,975.63/161,872,341.32 = 31,237,077.66/x
  3. Step 3: Cross multiply
    107,913,975.63x = 161,872,341.32 × 31,237,077.66
  4. Step 4: Simplify right side
    107,913,975.63x = 5,056,418,896,818,867
  5. Step 5: Solve for x
    x = 5,056,418,896,818,867/107,913,975.63
  6. Step 6: Final answer
    x = 46,856,015.33

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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.