Home / 49,531,742.70-74,306,471.40-20,780,784.60

Finding the Fourth Proportional to 49,531,742.70, 74,306,471.40 and 20,780,784.60

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Solution

The fourth proportional to 49,531,742.70, 74,306,471.40 and 20,780,784.60 is: 31,174,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,531,742.70 : 74,306,471.40 = 20,780,784.60 : x
  2. Step 2: Convert to fraction form
    49,531,742.70/74,306,471.40 = 20,780,784.60/x
  3. Step 3: Cross multiply
    49,531,742.70x = 74,306,471.40 × 20,780,784.60
  4. Step 4: Simplify right side
    49,531,742.70x = 1,544,146,776,549,460.75
  5. Step 5: Solve for x
    x = 1,544,146,776,549,460.75/49,531,742.70
  6. Step 6: Final answer
    x = 31,174,892.96

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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.