Home / 84,744,012.45-127,116,018.68-65,612,136.45

Finding the Fourth Proportional to 84,744,012.45, 127,116,018.68 and 65,612,136.45

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Solution

The fourth proportional to 84,744,012.45, 127,116,018.68 and 65,612,136.45 is: 98,418,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744,012.45 : 127,116,018.68 = 65,612,136.45 : x
  2. Step 2: Convert to fraction form
    84,744,012.45/127,116,018.68 = 65,612,136.45/x
  3. Step 3: Cross multiply
    84,744,012.45x = 127,116,018.68 × 65,612,136.45
  4. Step 4: Simplify right side
    84,744,012.45x = 8,340,353,562,612,910
  5. Step 5: Solve for x
    x = 8,340,353,562,612,910/84,744,012.45
  6. Step 6: Final answer
    x = 98,418,204.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.