Home / 123,780,592.08-170,806,124.52-68,025,369.78

Finding the Fourth Proportional to 123,780,592.08, 170,806,124.52 and 68,025,369.78

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Solution

The fourth proportional to 123,780,592.08, 170,806,124.52 and 68,025,369.78 is: 93,868,914.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,780,592.08 : 170,806,124.52 = 68,025,369.78 : x
  2. Step 2: Convert to fraction form
    123,780,592.08/170,806,124.52 = 68,025,369.78/x
  3. Step 3: Cross multiply
    123,780,592.08x = 170,806,124.52 × 68,025,369.78
  4. Step 4: Simplify right side
    123,780,592.08x = 11,619,149,781,161,726
  5. Step 5: Solve for x
    x = 11,619,149,781,161,726/123,780,592.08
  6. Step 6: Final answer
    x = 93,868,914.23

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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.