Home / 128,798,825,786.76-193,286,488,922.52-44,952,557,128.32

Finding the Fourth Proportional to 128,798,825,786.76, 193,286,488,922.52 and 44,952,557,128.32

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Solution

The fourth proportional to 128,798,825,786.76, 193,286,488,922.52 and 44,952,557,128.32 is: 67,459,636,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,798,825,786.76 : 193,286,488,922.52 = 44,952,557,128.32 : x
  2. Step 2: Convert to fraction form
    128,798,825,786.76/193,286,488,922.52 = 44,952,557,128.32/x
  3. Step 3: Cross multiply
    128,798,825,786.76x = 193,286,488,922.52 × 44,952,557,128.32
  4. Step 4: Simplify right side
    128,798,825,786.76x = 8,688,721,935,421,970,317,312
  5. Step 5: Solve for x
    x = 8,688,721,935,421,970,317,312/128,798,825,786.76
  6. Step 6: Final answer
    x = 67,459,636,237.73

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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.