Home / 126,904,320.93-190,357,138.32-57,768,775.23

Finding the Fourth Proportional to 126,904,320.93, 190,357,138.32 and 57,768,775.23

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Solution

The fourth proportional to 126,904,320.93, 190,357,138.32 and 57,768,775.23 is: 86,653,461.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,320.93 : 190,357,138.32 = 57,768,775.23 : x
  2. Step 2: Convert to fraction form
    126,904,320.93/190,357,138.32 = 57,768,775.23/x
  3. Step 3: Cross multiply
    126,904,320.93x = 190,357,138.32 × 57,768,775.23
  4. Step 4: Simplify right side
    126,904,320.93x = 10,996,698,737,034,098
  5. Step 5: Solve for x
    x = 10,996,698,737,034,098/126,904,320.93
  6. Step 6: Final answer
    x = 86,653,461.89

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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.