Home / 131,349,969.60-197,043,616.80-40,464,081.60

Finding the Fourth Proportional to 131,349,969.60, 197,043,616.80 and 40,464,081.60

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Solution

The fourth proportional to 131,349,969.60, 197,043,616.80 and 40,464,081.60 is: 60,701,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349,969.60 : 197,043,616.80 = 40,464,081.60 : x
  2. Step 2: Convert to fraction form
    131,349,969.60/197,043,616.80 = 40,464,081.60/x
  3. Step 3: Cross multiply
    131,349,969.60x = 197,043,616.80 × 40,464,081.60
  4. Step 4: Simplify right side
    131,349,969.60x = 7,973,188,988,954,332
  5. Step 5: Solve for x
    x = 7,973,188,988,954,332/131,349,969.60
  6. Step 6: Final answer
    x = 60,701,871.60

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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.