Home / 66,580,082.26-99,870,123.40-18,711,026.26

Finding the Fourth Proportional to 66,580,082.26, 99,870,123.40 and 18,711,026.26

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Solution

The fourth proportional to 66,580,082.26, 99,870,123.40 and 18,711,026.26 is: 28,066,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,082.26 : 99,870,123.40 = 18,711,026.26 : x
  2. Step 2: Convert to fraction form
    66,580,082.26/99,870,123.40 = 18,711,026.26/x
  3. Step 3: Cross multiply
    66,580,082.26x = 99,870,123.40 × 18,711,026.26
  4. Step 4: Simplify right side
    66,580,082.26x = 1,868,672,501,526,840.75
  5. Step 5: Solve for x
    x = 1,868,672,501,526,840.75/66,580,082.26
  6. Step 6: Final answer
    x = 28,066,539.39

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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.