Home / 42,776,230.80-64,164,346.20-14,015,431.20

Finding the Fourth Proportional to 42,776,230.80, 64,164,346.20 and 14,015,431.20

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Solution

The fourth proportional to 42,776,230.80, 64,164,346.20 and 14,015,431.20 is: 21,023,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,776,230.80 : 64,164,346.20 = 14,015,431.20 : x
  2. Step 2: Convert to fraction form
    42,776,230.80/64,164,346.20 = 14,015,431.20/x
  3. Step 3: Cross multiply
    42,776,230.80x = 64,164,346.20 × 14,015,431.20
  4. Step 4: Simplify right side
    42,776,230.80x = 899,290,979,659,081.38
  5. Step 5: Solve for x
    x = 899,290,979,659,081.38/42,776,230.80
  6. Step 6: Final answer
    x = 21,023,146.80

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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.