Home / 65,876,330.30-98,835,146.44-39,643,789.32

Finding the Fourth Proportional to 65,876,330.30, 98,835,146.44 and 39,643,789.32

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Solution

The fourth proportional to 65,876,330.30, 98,835,146.44 and 39,643,789.32 is: 59,478,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876,330.30 : 98,835,146.44 = 39,643,789.32 : x
  2. Step 2: Convert to fraction form
    65,876,330.30/98,835,146.44 = 39,643,789.32/x
  3. Step 3: Cross multiply
    65,876,330.30x = 98,835,146.44 × 39,643,789.32
  4. Step 4: Simplify right side
    65,876,330.30x = 3,918,199,722,878,708
  5. Step 5: Solve for x
    x = 3,918,199,722,878,708/65,876,330.30
  6. Step 6: Final answer
    x = 59,478,111.56

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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.