Home / 100,872,003.80-151,308,005.70-49,853,667.80

Finding the Fourth Proportional to 100,872,003.80, 151,308,005.70 and 49,853,667.80

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Solution

The fourth proportional to 100,872,003.80, 151,308,005.70 and 49,853,667.80 is: 74,780,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,872,003.80 : 151,308,005.70 = 49,853,667.80 : x
  2. Step 2: Convert to fraction form
    100,872,003.80/151,308,005.70 = 49,853,667.80/x
  3. Step 3: Cross multiply
    100,872,003.80x = 151,308,005.70 × 49,853,667.80
  4. Step 4: Simplify right side
    100,872,003.80x = 7,543,259,051,648,305
  5. Step 5: Solve for x
    x = 7,543,259,051,648,305/100,872,003.80
  6. Step 6: Final answer
    x = 74,780,501.70

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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.