Home / 145,219,865.94-200,403,419.09-80,029,769.94

Finding the Fourth Proportional to 145,219,865.94, 200,403,419.09 and 80,029,769.94

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Solution

The fourth proportional to 145,219,865.94, 200,403,419.09 and 80,029,769.94 is: 110,441,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,865.94 : 200,403,419.09 = 80,029,769.94 : x
  2. Step 2: Convert to fraction form
    145,219,865.94/200,403,419.09 = 80,029,769.94/x
  3. Step 3: Cross multiply
    145,219,865.94x = 200,403,419.09 × 80,029,769.94
  4. Step 4: Simplify right side
    145,219,865.94x = 16,038,239,524,561,956
  5. Step 5: Solve for x
    x = 16,038,239,524,561,956/145,219,865.94
  6. Step 6: Final answer
    x = 110,441,084.77

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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.