Home / 128,866,723.14-177,841,933.93-75,945,664.27

Finding the Fourth Proportional to 128,866,723.14, 177,841,933.93 and 75,945,664.27

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Solution

The fourth proportional to 128,866,723.14, 177,841,933.93 and 75,945,664.27 is: 104,808,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,866,723.14 : 177,841,933.93 = 75,945,664.27 : x
  2. Step 2: Convert to fraction form
    128,866,723.14/177,841,933.93 = 75,945,664.27/x
  3. Step 3: Cross multiply
    128,866,723.14x = 177,841,933.93 × 75,945,664.27
  4. Step 4: Simplify right side
    128,866,723.14x = 13,506,323,807,375,302
  5. Step 5: Solve for x
    x = 13,506,323,807,375,302/128,866,723.14
  6. Step 6: Final answer
    x = 104,808,467.84

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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.