Home / 68,928,003.60-103,392,005.40-56,173,419.60

Finding the Fourth Proportional to 68,928,003.60, 103,392,005.40 and 56,173,419.60

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Solution

The fourth proportional to 68,928,003.60, 103,392,005.40 and 56,173,419.60 is: 84,260,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928,003.60 : 103,392,005.40 = 56,173,419.60 : x
  2. Step 2: Convert to fraction form
    68,928,003.60/103,392,005.40 = 56,173,419.60/x
  3. Step 3: Cross multiply
    68,928,003.60x = 103,392,005.40 × 56,173,419.60
  4. Step 4: Simplify right side
    68,928,003.60x = 5,807,882,502,619,666
  5. Step 5: Solve for x
    x = 5,807,882,502,619,666/68,928,003.60
  6. Step 6: Final answer
    x = 84,260,129.40

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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.