Home / 211,177,465.35-316,766,788.53-65,632,309.17

Finding the Fourth Proportional to 211,177,465.35, 316,766,788.53 and 65,632,309.17

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Solution

The fourth proportional to 211,177,465.35, 316,766,788.53 and 65,632,309.17 is: 98,448,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,177,465.35 : 316,766,788.53 = 65,632,309.17 : x
  2. Step 2: Convert to fraction form
    211,177,465.35/316,766,788.53 = 65,632,309.17/x
  3. Step 3: Cross multiply
    211,177,465.35x = 316,766,788.53 × 65,632,309.17
  4. Step 4: Simplify right side
    211,177,465.35x = 20,790,135,799,588,968
  5. Step 5: Solve for x
    x = 20,790,135,799,588,968/211,177,465.35
  6. Step 6: Final answer
    x = 98,448,647.28

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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.