Home / 113,823,484.81-170,723,736.87-77,170,715.25

Finding the Fourth Proportional to 113,823,484.81, 170,723,736.87 and 77,170,715.25

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Solution

The fourth proportional to 113,823,484.81, 170,723,736.87 and 77,170,715.25 is: 115,748,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823,484.81 : 170,723,736.87 = 77,170,715.25 : x
  2. Step 2: Convert to fraction form
    113,823,484.81/170,723,736.87 = 77,170,715.25/x
  3. Step 3: Cross multiply
    113,823,484.81x = 170,723,736.87 × 77,170,715.25
  4. Step 4: Simplify right side
    113,823,484.81x = 13,174,872,883,481,094
  5. Step 5: Solve for x
    x = 13,174,872,883,481,094/113,823,484.81
  6. Step 6: Final answer
    x = 115,748,282.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.