Home / 126,702,828.38-174,849,903.17-68,756,076.38

Finding the Fourth Proportional to 126,702,828.38, 174,849,903.17 and 68,756,076.38

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Solution

The fourth proportional to 126,702,828.38, 174,849,903.17 and 68,756,076.38 is: 94,883,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,702,828.38 : 174,849,903.17 = 68,756,076.38 : x
  2. Step 2: Convert to fraction form
    126,702,828.38/174,849,903.17 = 68,756,076.38/x
  3. Step 3: Cross multiply
    126,702,828.38x = 174,849,903.17 × 68,756,076.38
  4. Step 4: Simplify right side
    126,702,828.38x = 12,021,993,296,174,094
  5. Step 5: Solve for x
    x = 12,021,993,296,174,094/126,702,828.38
  6. Step 6: Final answer
    x = 94,883,385.40

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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.