Home / 151,881,018.14-209,595,812.22-82,266,399.04

Finding the Fourth Proportional to 151,881,018.14, 209,595,812.22 and 82,266,399.04

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Solution

The fourth proportional to 151,881,018.14, 209,595,812.22 and 82,266,399.04 is: 113,527,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,881,018.14 : 209,595,812.22 = 82,266,399.04 : x
  2. Step 2: Convert to fraction form
    151,881,018.14/209,595,812.22 = 82,266,399.04/x
  3. Step 3: Cross multiply
    151,881,018.14x = 209,595,812.22 × 82,266,399.04
  4. Step 4: Simplify right side
    151,881,018.14x = 17,242,692,725,203,430
  5. Step 5: Solve for x
    x = 17,242,692,725,203,430/151,881,018.14
  6. Step 6: Final answer
    x = 113,527,634.57

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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.