Home / 74,790,587.72-102,462,627.21-71,993,767.55

Finding the Fourth Proportional to 74,790,587.72, 102,462,627.21 and 71,993,767.55

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Solution

The fourth proportional to 74,790,587.72, 102,462,627.21 and 71,993,767.55 is: 98,631,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790,587.72 : 102,462,627.21 = 71,993,767.55 : x
  2. Step 2: Convert to fraction form
    74,790,587.72/102,462,627.21 = 71,993,767.55/x
  3. Step 3: Cross multiply
    74,790,587.72x = 102,462,627.21 × 71,993,767.55
  4. Step 4: Simplify right side
    74,790,587.72x = 7,376,670,565,136,755
  5. Step 5: Solve for x
    x = 7,376,670,565,136,755/74,790,587.72
  6. Step 6: Final answer
    x = 98,631,001.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.