Home / 268,736,009.40-403,104,014.10-87,113,532.60

Finding the Fourth Proportional to 268,736,009.40, 403,104,014.10 and 87,113,532.60

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Solution

The fourth proportional to 268,736,009.40, 403,104,014.10 and 87,113,532.60 is: 130,670,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,736,009.40 : 403,104,014.10 = 87,113,532.60 : x
  2. Step 2: Convert to fraction form
    268,736,009.40/403,104,014.10 = 87,113,532.60/x
  3. Step 3: Cross multiply
    268,736,009.40x = 403,104,014.10 × 87,113,532.60
  4. Step 4: Simplify right side
    268,736,009.40x = 35,115,814,673,491,208
  5. Step 5: Solve for x
    x = 35,115,814,673,491,208/268,736,009.40
  6. Step 6: Final answer
    x = 130,670,298.90

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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.