Home / 124,922,182,530.38-172,392,611,891.99-71,458,155,048.38

Finding the Fourth Proportional to 124,922,182,530.38, 172,392,611,891.99 and 71,458,155,048.38

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Solution

The fourth proportional to 124,922,182,530.38, 172,392,611,891.99 and 71,458,155,048.38 is: 98,612,253,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922,182,530.38 : 172,392,611,891.99 = 71,458,155,048.38 : x
  2. Step 2: Convert to fraction form
    124,922,182,530.38/172,392,611,891.99 = 71,458,155,048.38/x
  3. Step 3: Cross multiply
    124,922,182,530.38x = 172,392,611,891.99 × 71,458,155,048.38
  4. Step 4: Simplify right side
    124,922,182,530.38x = 12,318,857,989,772,330,139,648
  5. Step 5: Solve for x
    x = 12,318,857,989,772,330,139,648/124,922,182,530.38
  6. Step 6: Final answer
    x = 98,612,253,966.80

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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.