Home / 105,405,241.35-157,877,592.78-43,807,642.77

Finding the Fourth Proportional to 105,405,241.35, 157,877,592.78 and 43,807,642.77

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Solution

The fourth proportional to 105,405,241.35, 157,877,592.78 and 43,807,642.77 is: 65,615,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,405,241.35 : 157,877,592.78 = 43,807,642.77 : x
  2. Step 2: Convert to fraction form
    105,405,241.35/157,877,592.78 = 43,807,642.77/x
  3. Step 3: Cross multiply
    105,405,241.35x = 157,877,592.78 × 43,807,642.77
  4. Step 4: Simplify right side
    105,405,241.35x = 6,916,245,185,893,772
  5. Step 5: Solve for x
    x = 6,916,245,185,893,772/105,405,241.35
  6. Step 6: Final answer
    x = 65,615,761.58

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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.