Home / 112,991,614.02-169,158,171.60-83,973,938.97

Finding the Fourth Proportional to 112,991,614.02, 169,158,171.60 and 83,973,938.97

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Solution

The fourth proportional to 112,991,614.02, 169,158,171.60 and 83,973,938.97 is: 125,716,214.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,991,614.02 : 169,158,171.60 = 83,973,938.97 : x
  2. Step 2: Convert to fraction form
    112,991,614.02/169,158,171.60 = 83,973,938.97/x
  3. Step 3: Cross multiply
    112,991,614.02x = 169,158,171.60 × 83,973,938.97
  4. Step 4: Simplify right side
    112,991,614.02x = 14,204,877,978,215,186
  5. Step 5: Solve for x
    x = 14,204,877,978,215,186/112,991,614.02
  6. Step 6: Final answer
    x = 125,716,214.44

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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.