Home / 71,072,977.40-106,609,466.10-48,114,726.20

Finding the Fourth Proportional to 71,072,977.40, 106,609,466.10 and 48,114,726.20

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Solution

The fourth proportional to 71,072,977.40, 106,609,466.10 and 48,114,726.20 is: 72,172,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,072,977.40 : 106,609,466.10 = 48,114,726.20 : x
  2. Step 2: Convert to fraction form
    71,072,977.40/106,609,466.10 = 48,114,726.20/x
  3. Step 3: Cross multiply
    71,072,977.40x = 106,609,466.10 × 48,114,726.20
  4. Step 4: Simplify right side
    71,072,977.40x = 5,129,485,271,729,682
  5. Step 5: Solve for x
    x = 5,129,485,271,729,682/71,072,977.40
  6. Step 6: Final answer
    x = 72,172,089.30

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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.