Home / 82,452,937.20-123,679,405.80-51,841,935.60

Finding the Fourth Proportional to 82,452,937.20, 123,679,405.80 and 51,841,935.60

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Solution

The fourth proportional to 82,452,937.20, 123,679,405.80 and 51,841,935.60 is: 77,762,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,452,937.20 : 123,679,405.80 = 51,841,935.60 : x
  2. Step 2: Convert to fraction form
    82,452,937.20/123,679,405.80 = 51,841,935.60/x
  3. Step 3: Cross multiply
    82,452,937.20x = 123,679,405.80 × 51,841,935.60
  4. Step 4: Simplify right side
    82,452,937.20x = 6,411,779,790,529,867
  5. Step 5: Solve for x
    x = 6,411,779,790,529,867/82,452,937.20
  6. Step 6: Final answer
    x = 77,762,903.40

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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.