Home / 134,628,387.33-185,755,531.63-81,703,921.93

Finding the Fourth Proportional to 134,628,387.33, 185,755,531.63 and 81,703,921.93

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Solution

The fourth proportional to 134,628,387.33, 185,755,531.63 and 81,703,921.93 is: 112,732,208.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,628,387.33 : 185,755,531.63 = 81,703,921.93 : x
  2. Step 2: Convert to fraction form
    134,628,387.33/185,755,531.63 = 81,703,921.93/x
  3. Step 3: Cross multiply
    134,628,387.33x = 185,755,531.63 × 81,703,921.93
  4. Step 4: Simplify right side
    134,628,387.33x = 15,176,955,453,025,868
  5. Step 5: Solve for x
    x = 15,176,955,453,025,868/134,628,387.33
  6. Step 6: Final answer
    x = 112,732,208.67

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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.