Home / 82,539,793.81-113,902,453.55-47,256,428.30

Finding the Fourth Proportional to 82,539,793.81, 113,902,453.55 and 47,256,428.30

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Solution

The fourth proportional to 82,539,793.81, 113,902,453.55 and 47,256,428.30 is: 65,212,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,539,793.81 : 113,902,453.55 = 47,256,428.30 : x
  2. Step 2: Convert to fraction form
    82,539,793.81/113,902,453.55 = 47,256,428.30/x
  3. Step 3: Cross multiply
    82,539,793.81x = 113,902,453.55 × 47,256,428.30
  4. Step 4: Simplify right side
    82,539,793.81x = 5,382,623,129,143,373
  5. Step 5: Solve for x
    x = 5,382,623,129,143,373/82,539,793.81
  6. Step 6: Final answer
    x = 65,212,461.54

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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.