Home / 220,176,261.40-330,180,411.30-66,771,333.40

Finding the Fourth Proportional to 220,176,261.40, 330,180,411.30 and 66,771,333.40

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Solution

The fourth proportional to 220,176,261.40, 330,180,411.30 and 66,771,333.40 is: 100,131,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,176,261.40 : 330,180,411.30 = 66,771,333.40 : x
  2. Step 2: Convert to fraction form
    220,176,261.40/330,180,411.30 = 66,771,333.40/x
  3. Step 3: Cross multiply
    220,176,261.40x = 330,180,411.30 × 66,771,333.40
  4. Step 4: Simplify right side
    220,176,261.40x = 22,046,586,325,061,428
  5. Step 5: Solve for x
    x = 22,046,586,325,061,428/220,176,261.40
  6. Step 6: Final answer
    x = 100,131,531.82

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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.