Home / 161,925,013.53-223,437,315.56-91,356,509.75

Finding the Fourth Proportional to 161,925,013.53, 223,437,315.56 and 91,356,509.75

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Solution

The fourth proportional to 161,925,013.53, 223,437,315.56 and 91,356,509.75 is: 126,061,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,925,013.53 : 223,437,315.56 = 91,356,509.75 : x
  2. Step 2: Convert to fraction form
    161,925,013.53/223,437,315.56 = 91,356,509.75/x
  3. Step 3: Cross multiply
    161,925,013.53x = 223,437,315.56 × 91,356,509.75
  4. Step 4: Simplify right side
    161,925,013.53x = 20,412,453,295,897,000
  5. Step 5: Solve for x
    x = 20,412,453,295,897,000/161,925,013.53
  6. Step 6: Final answer
    x = 126,061,149.24

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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.