Home / 171,432,073.80-236,578,178.94-100,883,281.05

Finding the Fourth Proportional to 171,432,073.80, 236,578,178.94 and 100,883,281.05

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Solution

The fourth proportional to 171,432,073.80, 236,578,178.94 and 100,883,281.05 is: 139,220,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432,073.80 : 236,578,178.94 = 100,883,281.05 : x
  2. Step 2: Convert to fraction form
    171,432,073.80/236,578,178.94 = 100,883,281.05/x
  3. Step 3: Cross multiply
    171,432,073.80x = 236,578,178.94 × 100,883,281.05
  4. Step 4: Simplify right side
    171,432,073.80x = 23,866,782,916,301,212
  5. Step 5: Solve for x
    x = 23,866,782,916,301,212/171,432,073.80
  6. Step 6: Final answer
    x = 139,220,056.01

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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.