Home / 65,680,884,828.73-90,646,376,735.49-39,961,990,613.26

Finding the Fourth Proportional to 65,680,884,828.73, 90,646,376,735.49 and 39,961,990,613.26

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Solution

The fourth proportional to 65,680,884,828.73, 90,646,376,735.49 and 39,961,990,613.26 is: 55,151,657,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,680,884,828.73 : 90,646,376,735.49 = 39,961,990,613.26 : x
  2. Step 2: Convert to fraction form
    65,680,884,828.73/90,646,376,735.49 = 39,961,990,613.26/x
  3. Step 3: Cross multiply
    65,680,884,828.73x = 90,646,376,735.49 × 39,961,990,613.26
  4. Step 4: Simplify right side
    65,680,884,828.73x = 3,622,409,656,229,227,921,408
  5. Step 5: Solve for x
    x = 3,622,409,656,229,227,921,408/65,680,884,828.73
  6. Step 6: Final answer
    x = 55,151,657,376.04

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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.