Home / 171,045,778.55-236,045,024.10-100,484,363.03

Finding the Fourth Proportional to 171,045,778.55, 236,045,024.10 and 100,484,363.03

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Solution

The fourth proportional to 171,045,778.55, 236,045,024.10 and 100,484,363.03 is: 138,669,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045,778.55 : 236,045,024.10 = 100,484,363.03 : x
  2. Step 2: Convert to fraction form
    171,045,778.55/236,045,024.10 = 100,484,363.03/x
  3. Step 3: Cross multiply
    171,045,778.55x = 236,045,024.10 × 100,484,363.03
  4. Step 4: Simplify right side
    171,045,778.55x = 23,718,833,891,909,276
  5. Step 5: Solve for x
    x = 23,718,833,891,909,276/171,045,778.55
  6. Step 6: Final answer
    x = 138,669,507.62

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1.5x scale

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.