Home / 109,149,935.40-163,724,903.10-44,420,421.60

Finding the Fourth Proportional to 109,149,935.40, 163,724,903.10 and 44,420,421.60

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Solution

The fourth proportional to 109,149,935.40, 163,724,903.10 and 44,420,421.60 is: 66,630,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149,935.40 : 163,724,903.10 = 44,420,421.60 : x
  2. Step 2: Convert to fraction form
    109,149,935.40/163,724,903.10 = 44,420,421.60/x
  3. Step 3: Cross multiply
    109,149,935.40x = 163,724,903.10 × 44,420,421.60
  4. Step 4: Simplify right side
    109,149,935.40x = 7,272,729,222,121,147
  5. Step 5: Solve for x
    x = 7,272,729,222,121,147/109,149,935.40
  6. Step 6: Final answer
    x = 66,630,632.40

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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.