Home / 126,904,314.30-190,357,128.32-57,768,768.58

Finding the Fourth Proportional to 126,904,314.30, 190,357,128.32 and 57,768,768.58

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Solution

The fourth proportional to 126,904,314.30, 190,357,128.32 and 57,768,768.58 is: 86,653,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,314.30 : 190,357,128.32 = 57,768,768.58 : x
  2. Step 2: Convert to fraction form
    126,904,314.30/190,357,128.32 = 57,768,768.58/x
  3. Step 3: Cross multiply
    126,904,314.30x = 190,357,128.32 × 57,768,768.58
  4. Step 4: Simplify right side
    126,904,314.30x = 10,996,696,893,471,444
  5. Step 5: Solve for x
    x = 10,996,696,893,471,444/126,904,314.30
  6. Step 6: Final answer
    x = 86,653,451.89

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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.