Home / 128,123,443.60-192,185,165.40-106,582,368.40

Finding the Fourth Proportional to 128,123,443.60, 192,185,165.40 and 106,582,368.40

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Solution

The fourth proportional to 128,123,443.60, 192,185,165.40 and 106,582,368.40 is: 159,873,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,123,443.60 : 192,185,165.40 = 106,582,368.40 : x
  2. Step 2: Convert to fraction form
    128,123,443.60/192,185,165.40 = 106,582,368.40/x
  3. Step 3: Cross multiply
    128,123,443.60x = 192,185,165.40 × 106,582,368.40
  4. Step 4: Simplify right side
    128,123,443.60x = 20,483,550,099,677,736
  5. Step 5: Solve for x
    x = 20,483,550,099,677,736/128,123,443.60
  6. Step 6: Final answer
    x = 159,873,552.60

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1.5x scale

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.