Home / 278,137,867.60-417,356,100.60-116,596,133.20

Finding the Fourth Proportional to 278,137,867.60, 417,356,100.60 and 116,596,133.20

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Solution

The fourth proportional to 278,137,867.60, 417,356,100.60 and 116,596,133.20 is: 174,956,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,137,867.60 : 417,356,100.60 = 116,596,133.20 : x
  2. Step 2: Convert to fraction form
    278,137,867.60/417,356,100.60 = 116,596,133.20/x
  3. Step 3: Cross multiply
    278,137,867.60x = 417,356,100.60 × 116,596,133.20
  4. Step 4: Simplify right side
    278,137,867.60x = 48,662,107,497,390,200
  5. Step 5: Solve for x
    x = 48,662,107,497,390,200/278,137,867.60
  6. Step 6: Final answer
    x = 174,956,786.42

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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.