Home / 167,085,128.28-250,626,681.54-90,892,381.08

Finding the Fourth Proportional to 167,085,128.28, 250,626,681.54 and 90,892,381.08

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Solution

The fourth proportional to 167,085,128.28, 250,626,681.54 and 90,892,381.08 is: 136,338,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,085,128.28 : 250,626,681.54 = 90,892,381.08 : x
  2. Step 2: Convert to fraction form
    167,085,128.28/250,626,681.54 = 90,892,381.08/x
  3. Step 3: Cross multiply
    167,085,128.28x = 250,626,681.54 × 90,892,381.08
  4. Step 4: Simplify right side
    167,085,128.28x = 22,780,055,847,349,480
  5. Step 5: Solve for x
    x = 22,780,055,847,349,480/167,085,128.28
  6. Step 6: Final answer
    x = 136,338,021.71

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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.