Home / 124,922,182,534.64-172,392,611,897.82-71,458,155,052.64

Finding the Fourth Proportional to 124,922,182,534.64, 172,392,611,897.82 and 71,458,155,052.64

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Solution

The fourth proportional to 124,922,182,534.64, 172,392,611,897.82 and 71,458,155,052.64 is: 98,612,253,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922,182,534.64 : 172,392,611,897.82 = 71,458,155,052.64 : x
  2. Step 2: Convert to fraction form
    124,922,182,534.64/172,392,611,897.82 = 71,458,155,052.64/x
  3. Step 3: Cross multiply
    124,922,182,534.64x = 172,392,611,897.82 × 71,458,155,052.64
  4. Step 4: Simplify right side
    124,922,182,534.64x = 12,318,857,990,924,012,617,728
  5. Step 5: Solve for x
    x = 12,318,857,990,924,012,617,728/124,922,182,534.64
  6. Step 6: Final answer
    x = 98,612,253,972.65

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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.