Home / 268,867,444.40-403,301,166.60-87,132,993.20

Finding the Fourth Proportional to 268,867,444.40, 403,301,166.60 and 87,132,993.20

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Solution

The fourth proportional to 268,867,444.40, 403,301,166.60 and 87,132,993.20 is: 130,699,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,867,444.40 : 403,301,166.60 = 87,132,993.20 : x
  2. Step 2: Convert to fraction form
    268,867,444.40/403,301,166.60 = 87,132,993.20/x
  3. Step 3: Cross multiply
    268,867,444.40x = 403,301,166.60 × 87,132,993.20
  4. Step 4: Simplify right side
    268,867,444.40x = 35,140,837,806,909,872
  5. Step 5: Solve for x
    x = 35,140,837,806,909,872/268,867,444.40
  6. Step 6: Final answer
    x = 130,699,489.80

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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.