Home / 162,455,333.87-243,659,072.55-53,292,040.49

Finding the Fourth Proportional to 162,455,333.87, 243,659,072.55 and 53,292,040.49

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Solution

The fourth proportional to 162,455,333.87, 243,659,072.55 and 53,292,040.49 is: 79,930,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,455,333.87 : 243,659,072.55 = 53,292,040.49 : x
  2. Step 2: Convert to fraction form
    162,455,333.87/243,659,072.55 = 53,292,040.49/x
  3. Step 3: Cross multiply
    162,455,333.87x = 243,659,072.55 × 53,292,040.49
  4. Step 4: Simplify right side
    162,455,333.87x = 12,985,089,160,090,448
  5. Step 5: Solve for x
    x = 12,985,089,160,090,448/162,455,333.87
  6. Step 6: Final answer
    x = 79,930,211.28

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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.