Home / 108,323,634.22-149,447,385.12-71,173,923.01

Finding the Fourth Proportional to 108,323,634.22, 149,447,385.12 and 71,173,923.01

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Solution

The fourth proportional to 108,323,634.22, 149,447,385.12 and 71,173,923.01 is: 98,194,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,634.22 : 149,447,385.12 = 71,173,923.01 : x
  2. Step 2: Convert to fraction form
    108,323,634.22/149,447,385.12 = 71,173,923.01/x
  3. Step 3: Cross multiply
    108,323,634.22x = 149,447,385.12 × 71,173,923.01
  4. Step 4: Simplify right side
    108,323,634.22x = 10,636,756,682,576,700
  5. Step 5: Solve for x
    x = 10,636,756,682,576,700/108,323,634.22
  6. Step 6: Final answer
    x = 98,194,237.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.