Home / 82,877,378.50-114,378,863.70-61,933,042.45

Finding the Fourth Proportional to 82,877,378.50, 114,378,863.70 and 61,933,042.45

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Solution

The fourth proportional to 82,877,378.50, 114,378,863.70 and 61,933,042.45 is: 85,473,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,877,378.50 : 114,378,863.70 = 61,933,042.45 : x
  2. Step 2: Convert to fraction form
    82,877,378.50/114,378,863.70 = 61,933,042.45/x
  3. Step 3: Cross multiply
    82,877,378.50x = 114,378,863.70 × 61,933,042.45
  4. Step 4: Simplify right side
    82,877,378.50x = 7,083,831,020,914,865
  5. Step 5: Solve for x
    x = 7,083,831,020,914,865/82,877,378.50
  6. Step 6: Final answer
    x = 85,473,637.67

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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.