Home / 142,435,241.18-213,648,875.84-45,396,771.78

Finding the Fourth Proportional to 142,435,241.18, 213,648,875.84 and 45,396,771.78

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Solution

The fourth proportional to 142,435,241.18, 213,648,875.84 and 45,396,771.78 is: 68,093,887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,435,241.18 : 213,648,875.84 = 45,396,771.78 : x
  2. Step 2: Convert to fraction form
    142,435,241.18/213,648,875.84 = 45,396,771.78/x
  3. Step 3: Cross multiply
    142,435,241.18x = 213,648,875.84 × 45,396,771.78
  4. Step 4: Simplify right side
    142,435,241.18x = 9,698,969,257,335,052
  5. Step 5: Solve for x
    x = 9,698,969,257,335,052/142,435,241.18
  6. Step 6: Final answer
    x = 68,093,887.28

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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.