Home / 108,872,814.80-163,309,222.20-72,593,109.20

Finding the Fourth Proportional to 108,872,814.80, 163,309,222.20 and 72,593,109.20

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Solution

The fourth proportional to 108,872,814.80, 163,309,222.20 and 72,593,109.20 is: 108,889,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,872,814.80 : 163,309,222.20 = 72,593,109.20 : x
  2. Step 2: Convert to fraction form
    108,872,814.80/163,309,222.20 = 72,593,109.20/x
  3. Step 3: Cross multiply
    108,872,814.80x = 163,309,222.20 × 72,593,109.20
  4. Step 4: Simplify right side
    108,872,814.80x = 11,855,124,200,531,664
  5. Step 5: Solve for x
    x = 11,855,124,200,531,664/108,872,814.80
  6. Step 6: Final answer
    x = 108,889,663.80

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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.