Home / 71,106,064.72-98,126,066.64-39,744,072.16

Finding the Fourth Proportional to 71,106,064.72, 98,126,066.64 and 39,744,072.16

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Solution

The fourth proportional to 71,106,064.72, 98,126,066.64 and 39,744,072.16 is: 54,846,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,106,064.72 : 98,126,066.64 = 39,744,072.16 : x
  2. Step 2: Convert to fraction form
    71,106,064.72/98,126,066.64 = 39,744,072.16/x
  3. Step 3: Cross multiply
    71,106,064.72x = 98,126,066.64 × 39,744,072.16
  4. Step 4: Simplify right side
    71,106,064.72x = 3,899,929,473,317,128.50
  5. Step 5: Solve for x
    x = 3,899,929,473,317,128.50/71,106,064.72
  6. Step 6: Final answer
    x = 54,846,650.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.