Home / 85,215,504.20-127,823,256.30-52,903,891.40

Finding the Fourth Proportional to 85,215,504.20, 127,823,256.30 and 52,903,891.40

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Solution

The fourth proportional to 85,215,504.20, 127,823,256.30 and 52,903,891.40 is: 79,355,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215,504.20 : 127,823,256.30 = 52,903,891.40 : x
  2. Step 2: Convert to fraction form
    85,215,504.20/127,823,256.30 = 52,903,891.40/x
  3. Step 3: Cross multiply
    85,215,504.20x = 127,823,256.30 × 52,903,891.40
  4. Step 4: Simplify right side
    85,215,504.20x = 6,762,347,669,689,565
  5. Step 5: Solve for x
    x = 6,762,347,669,689,565/85,215,504.20
  6. Step 6: Final answer
    x = 79,355,837.10

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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.