Home / 108,206,053.79-161,925,940.61-67,284,763.07

Finding the Fourth Proportional to 108,206,053.79, 161,925,940.61 and 67,284,763.07

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Solution

The fourth proportional to 108,206,053.79, 161,925,940.61 and 67,284,763.07 is: 100,688,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,206,053.79 : 161,925,940.61 = 67,284,763.07 : x
  2. Step 2: Convert to fraction form
    108,206,053.79/161,925,940.61 = 67,284,763.07/x
  3. Step 3: Cross multiply
    108,206,053.79x = 161,925,940.61 × 67,284,763.07
  4. Step 4: Simplify right side
    108,206,053.79x = 10,895,148,548,494,316
  5. Step 5: Solve for x
    x = 10,895,148,548,494,316/108,206,053.79
  6. Step 6: Final answer
    x = 100,688,900.18

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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.