Home / 126,529,001.63-174,560,114.90-79,458,390.17

Finding the Fourth Proportional to 126,529,001.63, 174,560,114.90 and 79,458,390.17

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Solution

The fourth proportional to 126,529,001.63, 174,560,114.90 and 79,458,390.17 is: 109,621,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,529,001.63 : 174,560,114.90 = 79,458,390.17 : x
  2. Step 2: Convert to fraction form
    126,529,001.63/174,560,114.90 = 79,458,390.17/x
  3. Step 3: Cross multiply
    126,529,001.63x = 174,560,114.90 × 79,458,390.17
  4. Step 4: Simplify right side
    126,529,001.63x = 13,870,265,716,574,140
  5. Step 5: Solve for x
    x = 13,870,265,716,574,140/126,529,001.63
  6. Step 6: Final answer
    x = 109,621,237.33

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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.