Home / 66,341,899.96-99,512,850.04-20,283,769.15

Finding the Fourth Proportional to 66,341,899.96, 99,512,850.04 and 20,283,769.15

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Solution

The fourth proportional to 66,341,899.96, 99,512,850.04 and 20,283,769.15 is: 30,425,653.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,341,899.96 : 99,512,850.04 = 20,283,769.15 : x
  2. Step 2: Convert to fraction form
    66,341,899.96/99,512,850.04 = 20,283,769.15/x
  3. Step 3: Cross multiply
    66,341,899.96x = 99,512,850.04 × 20,283,769.15
  4. Step 4: Simplify right side
    66,341,899.96x = 2,018,495,677,370,436.75
  5. Step 5: Solve for x
    x = 2,018,495,677,370,436.75/66,341,899.96
  6. Step 6: Final answer
    x = 30,425,653.75

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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.