Home / 147,744,666.60-221,616,999.90-79,720,218.60

Finding the Fourth Proportional to 147,744,666.60, 221,616,999.90 and 79,720,218.60

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Solution

The fourth proportional to 147,744,666.60, 221,616,999.90 and 79,720,218.60 is: 119,580,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,666.60 : 221,616,999.90 = 79,720,218.60 : x
  2. Step 2: Convert to fraction form
    147,744,666.60/221,616,999.90 = 79,720,218.60/x
  3. Step 3: Cross multiply
    147,744,666.60x = 221,616,999.90 × 79,720,218.60
  4. Step 4: Simplify right side
    147,744,666.60x = 17,667,355,677,504,178
  5. Step 5: Solve for x
    x = 17,667,355,677,504,178/147,744,666.60
  6. Step 6: Final answer
    x = 119,580,327.90

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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.