Home / 171,432,566.40-236,578,853.88-100,883,769.60

Finding the Fourth Proportional to 171,432,566.40, 236,578,853.88 and 100,883,769.60

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Solution

The fourth proportional to 171,432,566.40, 236,578,853.88 and 100,883,769.60 is: 139,220,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432,566.40 : 236,578,853.88 = 100,883,769.60 : x
  2. Step 2: Convert to fraction form
    171,432,566.40/236,578,853.88 = 100,883,769.60/x
  3. Step 3: Cross multiply
    171,432,566.40x = 236,578,853.88 × 100,883,769.60
  4. Step 4: Simplify right side
    171,432,566.40x = 23,866,966,587,061,984
  5. Step 5: Solve for x
    x = 23,866,966,587,061,984/171,432,566.40
  6. Step 6: Final answer
    x = 139,220,727.36

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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.