Home / 84,272,376.21-126,408,564.32-23,688,102.21

Finding the Fourth Proportional to 84,272,376.21, 126,408,564.32 and 23,688,102.21

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Solution

The fourth proportional to 84,272,376.21, 126,408,564.32 and 23,688,102.21 is: 35,532,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,272,376.21 : 126,408,564.32 = 23,688,102.21 : x
  2. Step 2: Convert to fraction form
    84,272,376.21/126,408,564.32 = 23,688,102.21/x
  3. Step 3: Cross multiply
    84,272,376.21x = 126,408,564.32 × 23,688,102.21
  4. Step 4: Simplify right side
    84,272,376.21x = 2,994,378,991,713,078.50
  5. Step 5: Solve for x
    x = 2,994,378,991,713,078.50/84,272,376.21
  6. Step 6: Final answer
    x = 35,532,153.32

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Double scale
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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.