Home / 67,221,194.90-100,831,792.35-65,728,202.90

Finding the Fourth Proportional to 67,221,194.90, 100,831,792.35 and 65,728,202.90

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Solution

The fourth proportional to 67,221,194.90, 100,831,792.35 and 65,728,202.90 is: 98,592,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221,194.90 : 100,831,792.35 = 65,728,202.90 : x
  2. Step 2: Convert to fraction form
    67,221,194.90/100,831,792.35 = 65,728,202.90/x
  3. Step 3: Cross multiply
    67,221,194.90x = 100,831,792.35 × 65,728,202.90
  4. Step 4: Simplify right side
    67,221,194.90x = 6,627,492,506,351,467
  5. Step 5: Solve for x
    x = 6,627,492,506,351,467/67,221,194.90
  6. Step 6: Final answer
    x = 98,592,304.35

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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.