Home / 126,904,325.62-190,357,145.31-57,768,779.91

Finding the Fourth Proportional to 126,904,325.62, 190,357,145.31 and 57,768,779.91

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Solution

The fourth proportional to 126,904,325.62, 190,357,145.31 and 57,768,779.91 is: 86,653,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,904,325.62 : 190,357,145.31 = 57,768,779.91 : x
  2. Step 2: Convert to fraction form
    126,904,325.62/190,357,145.31 = 57,768,779.91/x
  3. Step 3: Cross multiply
    126,904,325.62x = 190,357,145.31 × 57,768,779.91
  4. Step 4: Simplify right side
    126,904,325.62x = 10,996,700,032,639,750
  5. Step 5: Solve for x
    x = 10,996,700,032,639,750/126,904,325.62
  6. Step 6: Final answer
    x = 86,653,468.89

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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.