Home / 49,151,995.20-73,727,992.80-31,221,345.60

Finding the Fourth Proportional to 49,151,995.20, 73,727,992.80 and 31,221,345.60

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Solution

The fourth proportional to 49,151,995.20, 73,727,992.80 and 31,221,345.60 is: 46,832,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,151,995.20 : 73,727,992.80 = 31,221,345.60 : x
  2. Step 2: Convert to fraction form
    49,151,995.20/73,727,992.80 = 31,221,345.60/x
  3. Step 3: Cross multiply
    49,151,995.20x = 73,727,992.80 × 31,221,345.60
  4. Step 4: Simplify right side
    49,151,995.20x = 2,301,887,143,603,111.50
  5. Step 5: Solve for x
    x = 2,301,887,143,603,111.50/49,151,995.20
  6. Step 6: Final answer
    x = 46,832,018.40

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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.