Home / 82,420,442.40-123,630,663.60-24,953,080.80

Finding the Fourth Proportional to 82,420,442.40, 123,630,663.60 and 24,953,080.80

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Solution

The fourth proportional to 82,420,442.40, 123,630,663.60 and 24,953,080.80 is: 37,429,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,420,442.40 : 123,630,663.60 = 24,953,080.80 : x
  2. Step 2: Convert to fraction form
    82,420,442.40/123,630,663.60 = 24,953,080.80/x
  3. Step 3: Cross multiply
    82,420,442.40x = 123,630,663.60 × 24,953,080.80
  4. Step 4: Simplify right side
    82,420,442.40x = 3,084,965,938,168,419
  5. Step 5: Solve for x
    x = 3,084,965,938,168,419/82,420,442.40
  6. Step 6: Final answer
    x = 37,429,621.20

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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.