Home / 45,517,852.79-68,265,412.76-17,857,407.72

Finding the Fourth Proportional to 45,517,852.79, 68,265,412.76 and 17,857,407.72

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Solution

The fourth proportional to 45,517,852.79, 68,265,412.76 and 17,857,407.72 is: 26,781,652.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517,852.79 : 68,265,412.76 = 17,857,407.72 : x
  2. Step 2: Convert to fraction form
    45,517,852.79/68,265,412.76 = 17,857,407.72/x
  3. Step 3: Cross multiply
    45,517,852.79x = 68,265,412.76 × 17,857,407.72
  4. Step 4: Simplify right side
    45,517,852.79x = 1,219,043,308,740,123.25
  5. Step 5: Solve for x
    x = 1,219,043,308,740,123.25/45,517,852.79
  6. Step 6: Final answer
    x = 26,781,652.34

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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.