Home / 115,172,317.80-158,091,779.43-101,827,243.80

Finding the Fourth Proportional to 115,172,317.80, 158,091,779.43 and 101,827,243.80

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Solution

The fourth proportional to 115,172,317.80, 158,091,779.43 and 101,827,243.80 is: 139,773,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,172,317.80 : 158,091,779.43 = 101,827,243.80 : x
  2. Step 2: Convert to fraction form
    115,172,317.80/158,091,779.43 = 101,827,243.80/x
  3. Step 3: Cross multiply
    115,172,317.80x = 158,091,779.43 × 101,827,243.80
  4. Step 4: Simplify right side
    115,172,317.80x = 16,098,050,166,794,436
  5. Step 5: Solve for x
    x = 16,098,050,166,794,436/115,172,317.80
  6. Step 6: Final answer
    x = 139,773,605.97

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.