Home / 211,080,057.57-316,174,663.64-169,355,031.53

Finding the Fourth Proportional to 211,080,057.57, 316,174,663.64 and 169,355,031.53

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Solution

The fourth proportional to 211,080,057.57, 316,174,663.64 and 169,355,031.53 is: 253,675,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,080,057.57 : 316,174,663.64 = 169,355,031.53 : x
  2. Step 2: Convert to fraction form
    211,080,057.57/316,174,663.64 = 169,355,031.53/x
  3. Step 3: Cross multiply
    211,080,057.57x = 316,174,663.64 × 169,355,031.53
  4. Step 4: Simplify right side
    211,080,057.57x = 53,545,770,128,581,856
  5. Step 5: Solve for x
    x = 53,545,770,128,581,856/211,080,057.57
  6. Step 6: Final answer
    x = 253,675,173.04

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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.