Home / 291,975,315.46-402,928,448.03-166,533,865.33

Finding the Fourth Proportional to 291,975,315.46, 402,928,448.03 and 166,533,865.33

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Solution

The fourth proportional to 291,975,315.46, 402,928,448.03 and 166,533,865.33 is: 229,818,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,975,315.46 : 402,928,448.03 = 166,533,865.33 : x
  2. Step 2: Convert to fraction form
    291,975,315.46/402,928,448.03 = 166,533,865.33/x
  3. Step 3: Cross multiply
    291,975,315.46x = 402,928,448.03 × 166,533,865.33
  4. Step 4: Simplify right side
    291,975,315.46x = 67,101,231,901,853,928
  5. Step 5: Solve for x
    x = 67,101,231,901,853,928/291,975,315.46
  6. Step 6: Final answer
    x = 229,818,167.32

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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.