Home / 92,945,719.51-128,264,383.42-51,128,884.38

Finding the Fourth Proportional to 92,945,719.51, 128,264,383.42 and 51,128,884.38

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Solution

The fourth proportional to 92,945,719.51, 128,264,383.42 and 51,128,884.38 is: 70,557,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,719.51 : 128,264,383.42 = 51,128,884.38 : x
  2. Step 2: Convert to fraction form
    92,945,719.51/128,264,383.42 = 51,128,884.38/x
  3. Step 3: Cross multiply
    92,945,719.51x = 128,264,383.42 × 51,128,884.38
  4. Step 4: Simplify right side
    92,945,719.51x = 6,558,014,829,953,169
  5. Step 5: Solve for x
    x = 6,558,014,829,953,169/92,945,719.51
  6. Step 6: Final answer
    x = 70,557,470.15

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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.