Home / 143,122,336.20-197,503,435.62-87,460,829.64

Finding the Fourth Proportional to 143,122,336.20, 197,503,435.62 and 87,460,829.64

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Solution

The fourth proportional to 143,122,336.20, 197,503,435.62 and 87,460,829.64 is: 120,692,652.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,122,336.20 : 197,503,435.62 = 87,460,829.64 : x
  2. Step 2: Convert to fraction form
    143,122,336.20/197,503,435.62 = 87,460,829.64/x
  3. Step 3: Cross multiply
    143,122,336.20x = 197,503,435.62 × 87,460,829.64
  4. Step 4: Simplify right side
    143,122,336.20x = 17,273,814,336,075,528
  5. Step 5: Solve for x
    x = 17,273,814,336,075,528/143,122,336.20
  6. Step 6: Final answer
    x = 120,692,652.14

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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.