Home / 72,974,684,356.08-109,422,122,652.72-57,944,801,129.88

Finding the Fourth Proportional to 72,974,684,356.08, 109,422,122,652.72 and 57,944,801,129.88

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Solution

The fourth proportional to 72,974,684,356.08, 109,422,122,652.72 and 57,944,801,129.88 is: 86,885,516,426.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,974,684,356.08 : 109,422,122,652.72 = 57,944,801,129.88 : x
  2. Step 2: Convert to fraction form
    72,974,684,356.08/109,422,122,652.72 = 57,944,801,129.88/x
  3. Step 3: Cross multiply
    72,974,684,356.08x = 109,422,122,652.72 × 57,944,801,129.88
  4. Step 4: Simplify right side
    72,974,684,356.08x = 6,340,443,136,321,197,703,168
  5. Step 5: Solve for x
    x = 6,340,443,136,321,197,703,168/72,974,684,356.08
  6. Step 6: Final answer
    x = 86,885,516,426.26

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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.