Home / 45,123,705.60-67,696,755.84-21,161,184

Finding the Fourth Proportional to 45,123,705.60, 67,696,755.84 and 21,161,184

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Solution

The fourth proportional to 45,123,705.60, 67,696,755.84 and 21,161,184 is: 31,747,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123,705.60 : 67,696,755.84 = 21,161,184 : x
  2. Step 2: Convert to fraction form
    45,123,705.60/67,696,755.84 = 21,161,184/x
  3. Step 3: Cross multiply
    45,123,705.60x = 67,696,755.84 × 21,161,184
  4. Step 4: Simplify right side
    45,123,705.60x = 1,432,543,506,533,314.75
  5. Step 5: Solve for x
    x = 1,432,543,506,533,314.75/45,123,705.60
  6. Step 6: Final answer
    x = 31,747,027.14

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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.