Home / 250,326,897.12-345,444,572.12-138,817,453.86

Finding the Fourth Proportional to 250,326,897.12, 345,444,572.12 and 138,817,453.86

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Solution

The fourth proportional to 250,326,897.12, 345,444,572.12 and 138,817,453.86 is: 191,564,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,326,897.12 : 345,444,572.12 = 138,817,453.86 : x
  2. Step 2: Convert to fraction form
    250,326,897.12/345,444,572.12 = 138,817,453.86/x
  3. Step 3: Cross multiply
    250,326,897.12x = 345,444,572.12 × 138,817,453.86
  4. Step 4: Simplify right side
    250,326,897.12x = 47,953,735,951,455,544
  5. Step 5: Solve for x
    x = 47,953,735,951,455,544/250,326,897.12
  6. Step 6: Final answer
    x = 191,564,456.33

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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.