Home / 82,205,337.40-113,352,475.28-52,388,775.60

Finding the Fourth Proportional to 82,205,337.40, 113,352,475.28 and 52,388,775.60

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Solution

The fourth proportional to 82,205,337.40, 113,352,475.28 and 52,388,775.60 is: 72,238,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,205,337.40 : 113,352,475.28 = 52,388,775.60 : x
  2. Step 2: Convert to fraction form
    82,205,337.40/113,352,475.28 = 52,388,775.60/x
  3. Step 3: Cross multiply
    82,205,337.40x = 113,352,475.28 × 52,388,775.60
  4. Step 4: Simplify right side
    82,205,337.40x = 5,938,397,391,148,467
  5. Step 5: Solve for x
    x = 5,938,397,391,148,467/82,205,337.40
  6. Step 6: Final answer
    x = 72,238,586.68

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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.