Home / 71,279,080.93-98,365,131.69-38,684,032.93

Finding the Fourth Proportional to 71,279,080.93, 98,365,131.69 and 38,684,032.93

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Solution

The fourth proportional to 71,279,080.93, 98,365,131.69 and 38,684,032.93 is: 53,383,965.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279,080.93 : 98,365,131.69 = 38,684,032.93 : x
  2. Step 2: Convert to fraction form
    71,279,080.93/98,365,131.69 = 38,684,032.93/x
  3. Step 3: Cross multiply
    71,279,080.93x = 98,365,131.69 × 38,684,032.93
  4. Step 4: Simplify right side
    71,279,080.93x = 3,805,159,993,459,746.50
  5. Step 5: Solve for x
    x = 3,805,159,993,459,746.50/71,279,080.93
  6. Step 6: Final answer
    x = 53,383,965.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.