Home / 143,140,903.60-214,823,329.80-66,473,431.60

Finding the Fourth Proportional to 143,140,903.60, 214,823,329.80 and 66,473,431.60

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Solution

The fourth proportional to 143,140,903.60, 214,823,329.80 and 66,473,431.60 is: 99,762,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,140,903.60 : 214,823,329.80 = 66,473,431.60 : x
  2. Step 2: Convert to fraction form
    143,140,903.60/214,823,329.80 = 66,473,431.60/x
  3. Step 3: Cross multiply
    143,140,903.60x = 214,823,329.80 × 66,473,431.60
  4. Step 4: Simplify right side
    143,140,903.60x = 14,280,043,919,544,542
  5. Step 5: Solve for x
    x = 14,280,043,919,544,542/143,140,903.60
  6. Step 6: Final answer
    x = 99,762,147.37

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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.