Home / 161,607,303.72-223,018,760.21-91,043,760.56

Finding the Fourth Proportional to 161,607,303.72, 223,018,760.21 and 91,043,760.56

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Solution

The fourth proportional to 161,607,303.72, 223,018,760.21 and 91,043,760.56 is: 125,640,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,303.72 : 223,018,760.21 = 91,043,760.56 : x
  2. Step 2: Convert to fraction form
    161,607,303.72/223,018,760.21 = 91,043,760.56/x
  3. Step 3: Cross multiply
    161,607,303.72x = 223,018,760.21 × 91,043,760.56
  4. Step 4: Simplify right side
    161,607,303.72x = 20,304,466,603,376,984
  5. Step 5: Solve for x
    x = 20,304,466,603,376,984/161,607,303.72
  6. Step 6: Final answer
    x = 125,640,773.26

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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.