Home / 74,905,415.70-112,358,123.55-21,052,727.70

Finding the Fourth Proportional to 74,905,415.70, 112,358,123.55 and 21,052,727.70

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Solution

The fourth proportional to 74,905,415.70, 112,358,123.55 and 21,052,727.70 is: 31,579,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,905,415.70 : 112,358,123.55 = 21,052,727.70 : x
  2. Step 2: Convert to fraction form
    74,905,415.70/112,358,123.55 = 21,052,727.70/x
  3. Step 3: Cross multiply
    74,905,415.70x = 112,358,123.55 × 21,052,727.70
  4. Step 4: Simplify right side
    74,905,415.70x = 2,365,444,979,981,107
  5. Step 5: Solve for x
    x = 2,365,444,979,981,107/74,905,415.70
  6. Step 6: Final answer
    x = 31,579,091.55

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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.