Home / 77,262,337,227.20-115,893,505,840.80-56,201,968,126.40

Finding the Fourth Proportional to 77,262,337,227.20, 115,893,505,840.80 and 56,201,968,126.40

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Solution

The fourth proportional to 77,262,337,227.20, 115,893,505,840.80 and 56,201,968,126.40 is: 84,302,952,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,227.20 : 115,893,505,840.80 = 56,201,968,126.40 : x
  2. Step 2: Convert to fraction form
    77,262,337,227.20/115,893,505,840.80 = 56,201,968,126.40/x
  3. Step 3: Cross multiply
    77,262,337,227.20x = 115,893,505,840.80 × 56,201,968,126.40
  4. Step 4: Simplify right side
    77,262,337,227.20x = 6,513,443,121,321,394,307,072
  5. Step 5: Solve for x
    x = 6,513,443,121,321,394,307,072/77,262,337,227.20
  6. Step 6: Final answer
    x = 84,302,952,189.60

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1.5x scale

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.