Home / 173,880,015.40-260,851,515.90-87,400,786.60

Finding the Fourth Proportional to 173,880,015.40, 260,851,515.90 and 87,400,786.60

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Solution

The fourth proportional to 173,880,015.40, 260,851,515.90 and 87,400,786.60 is: 131,117,009.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880,015.40 : 260,851,515.90 = 87,400,786.60 : x
  2. Step 2: Convert to fraction form
    173,880,015.40/260,851,515.90 = 87,400,786.60/x
  3. Step 3: Cross multiply
    173,880,015.40x = 260,851,515.90 × 87,400,786.60
  4. Step 4: Simplify right side
    173,880,015.40x = 22,798,627,675,462,404
  5. Step 5: Solve for x
    x = 22,798,627,675,462,404/173,880,015.40
  6. Step 6: Final answer
    x = 131,117,009.76

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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.