Home / 167,975,417.16-231,806,073.78-90,713,081.16

Finding the Fourth Proportional to 167,975,417.16, 231,806,073.78 and 90,713,081.16

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Solution

The fourth proportional to 167,975,417.16, 231,806,073.78 and 90,713,081.16 is: 125,184,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,975,417.16 : 231,806,073.78 = 90,713,081.16 : x
  2. Step 2: Convert to fraction form
    167,975,417.16/231,806,073.78 = 90,713,081.16/x
  3. Step 3: Cross multiply
    167,975,417.16x = 231,806,073.78 × 90,713,081.16
  4. Step 4: Simplify right side
    167,975,417.16x = 21,027,843,184,186,088
  5. Step 5: Solve for x
    x = 21,027,843,184,186,088/167,975,417.16
  6. Step 6: Final answer
    x = 125,184,050.97

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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.