Home / 268,736,002.40-403,104,003.60-87,113,525.60

Finding the Fourth Proportional to 268,736,002.40, 403,104,003.60 and 87,113,525.60

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Solution

The fourth proportional to 268,736,002.40, 403,104,003.60 and 87,113,525.60 is: 130,670,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,736,002.40 : 403,104,003.60 = 87,113,525.60 : x
  2. Step 2: Convert to fraction form
    268,736,002.40/403,104,003.60 = 87,113,525.60/x
  3. Step 3: Cross multiply
    268,736,002.40x = 403,104,003.60 × 87,113,525.60
  4. Step 4: Simplify right side
    268,736,002.40x = 35,115,810,937,071,092
  5. Step 5: Solve for x
    x = 35,115,810,937,071,092/268,736,002.40
  6. Step 6: Final answer
    x = 130,670,288.40

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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.