Home / 103,406,758.56-142,699,623.36-57,001,330.32

Finding the Fourth Proportional to 103,406,758.56, 142,699,623.36 and 57,001,330.32

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Solution

The fourth proportional to 103,406,758.56, 142,699,623.36 and 57,001,330.32 is: 78,660,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,406,758.56 : 142,699,623.36 = 57,001,330.32 : x
  2. Step 2: Convert to fraction form
    103,406,758.56/142,699,623.36 = 57,001,330.32/x
  3. Step 3: Cross multiply
    103,406,758.56x = 142,699,623.36 × 57,001,330.32
  4. Step 4: Simplify right side
    103,406,758.56x = 8,134,068,367,682,949
  5. Step 5: Solve for x
    x = 8,134,068,367,682,949/103,406,758.56
  6. Step 6: Final answer
    x = 78,660,896.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.