Home / 66,446,780.10-99,471,104.55-39,506,568.90

Finding the Fourth Proportional to 66,446,780.10, 99,471,104.55 and 39,506,568.90

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Solution

The fourth proportional to 66,446,780.10, 99,471,104.55 and 39,506,568.90 is: 59,141,496.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,446,780.10 : 99,471,104.55 = 39,506,568.90 : x
  2. Step 2: Convert to fraction form
    66,446,780.10/99,471,104.55 = 39,506,568.90/x
  3. Step 3: Cross multiply
    66,446,780.10x = 99,471,104.55 × 39,506,568.90
  4. Step 4: Simplify right side
    66,446,780.10x = 3,929,762,045,463,678
  5. Step 5: Solve for x
    x = 3,929,762,045,463,678/66,446,780.10
  6. Step 6: Final answer
    x = 59,141,496.99

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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.