Home / 161,607,295.12-223,018,748.30-91,043,751.96

Finding the Fourth Proportional to 161,607,295.12, 223,018,748.30 and 91,043,751.96

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Solution

The fourth proportional to 161,607,295.12, 223,018,748.30 and 91,043,751.96 is: 125,640,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,607,295.12 : 223,018,748.30 = 91,043,751.96 : x
  2. Step 2: Convert to fraction form
    161,607,295.12/223,018,748.30 = 91,043,751.96/x
  3. Step 3: Cross multiply
    161,607,295.12x = 223,018,748.30 × 91,043,751.96
  4. Step 4: Simplify right side
    161,607,295.12x = 20,304,463,602,654,872
  5. Step 5: Solve for x
    x = 20,304,463,602,654,872/161,607,295.12
  6. Step 6: Final answer
    x = 125,640,761.38

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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.