Home / 211,453,501.02-317,195,538.60-88,508,168.61

Finding the Fourth Proportional to 211,453,501.02, 317,195,538.60 and 88,508,168.61

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Solution

The fourth proportional to 211,453,501.02, 317,195,538.60 and 88,508,168.61 is: 132,768,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,453,501.02 : 317,195,538.60 = 88,508,168.61 : x
  2. Step 2: Convert to fraction form
    211,453,501.02/317,195,538.60 = 88,508,168.61/x
  3. Step 3: Cross multiply
    211,453,501.02x = 317,195,538.60 × 88,508,168.61
  4. Step 4: Simplify right side
    211,453,501.02x = 28,074,396,212,748,564
  5. Step 5: Solve for x
    x = 28,074,396,212,748,564/211,453,501.02
  6. Step 6: Final answer
    x = 132,768,651.63

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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.