Home / 147,686,938.94-203,819,593.76-84,109,966.33

Finding the Fourth Proportional to 147,686,938.94, 203,819,593.76 and 84,109,966.33

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Solution

The fourth proportional to 147,686,938.94, 203,819,593.76 and 84,109,966.33 is: 116,078,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,686,938.94 : 203,819,593.76 = 84,109,966.33 : x
  2. Step 2: Convert to fraction form
    147,686,938.94/203,819,593.76 = 84,109,966.33/x
  3. Step 3: Cross multiply
    147,686,938.94x = 203,819,593.76 × 84,109,966.33
  4. Step 4: Simplify right side
    147,686,938.94x = 17,143,259,167,617,780
  5. Step 5: Solve for x
    x = 17,143,259,167,617,780/147,686,938.94
  6. Step 6: Final answer
    x = 116,078,370.17

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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.