Home / 177,853,632.82-266,871,649.37-85,815,863.47

Finding the Fourth Proportional to 177,853,632.82, 266,871,649.37 and 85,815,863.47

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Solution

The fourth proportional to 177,853,632.82, 266,871,649.37 and 85,815,863.47 is: 128,767,800.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853,632.82 : 266,871,649.37 = 85,815,863.47 : x
  2. Step 2: Convert to fraction form
    177,853,632.82/266,871,649.37 = 85,815,863.47/x
  3. Step 3: Cross multiply
    177,853,632.82x = 266,871,649.37 × 85,815,863.47
  4. Step 4: Simplify right side
    177,853,632.82x = 22,901,821,026,349,632
  5. Step 5: Solve for x
    x = 22,901,821,026,349,632/177,853,632.82
  6. Step 6: Final answer
    x = 128,767,800.03

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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.