Home / 133,043,187.10-199,564,780.64-42,166,776.10

Finding the Fourth Proportional to 133,043,187.10, 199,564,780.64 and 42,166,776.10

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Solution

The fourth proportional to 133,043,187.10, 199,564,780.64 and 42,166,776.10 is: 63,250,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043,187.10 : 199,564,780.64 = 42,166,776.10 : x
  2. Step 2: Convert to fraction form
    133,043,187.10/199,564,780.64 = 42,166,776.10/x
  3. Step 3: Cross multiply
    133,043,187.10x = 199,564,780.64 × 42,166,776.10
  4. Step 4: Simplify right side
    133,043,187.10x = 8,415,003,422,692,494
  5. Step 5: Solve for x
    x = 8,415,003,422,692,494/133,043,187.10
  6. Step 6: Final answer
    x = 63,250,164.15

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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.