Home / 123,657,584.94-170,640,805.23-68,649,898.50

Finding the Fourth Proportional to 123,657,584.94, 170,640,805.23 and 68,649,898.50

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Solution

The fourth proportional to 123,657,584.94, 170,640,805.23 and 68,649,898.50 is: 94,733,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,657,584.94 : 170,640,805.23 = 68,649,898.50 : x
  2. Step 2: Convert to fraction form
    123,657,584.94/170,640,805.23 = 68,649,898.50/x
  3. Step 3: Cross multiply
    123,657,584.94x = 170,640,805.23 × 68,649,898.50
  4. Step 4: Simplify right side
    123,657,584.94x = 11,714,473,958,997,768
  5. Step 5: Solve for x
    x = 11,714,473,958,997,768/123,657,584.94
  6. Step 6: Final answer
    x = 94,733,161.45

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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.