Home / 67,068,136.30-100,602,204.45-66,430,407.10

Finding the Fourth Proportional to 67,068,136.30, 100,602,204.45 and 66,430,407.10

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Solution

The fourth proportional to 67,068,136.30, 100,602,204.45 and 66,430,407.10 is: 99,645,610.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,136.30 : 100,602,204.45 = 66,430,407.10 : x
  2. Step 2: Convert to fraction form
    67,068,136.30/100,602,204.45 = 66,430,407.10/x
  3. Step 3: Cross multiply
    67,068,136.30x = 100,602,204.45 × 66,430,407.10
  4. Step 4: Simplify right side
    67,068,136.30x = 6,683,045,396,770,932
  5. Step 5: Solve for x
    x = 6,683,045,396,770,932/67,068,136.30
  6. Step 6: Final answer
    x = 99,645,610.65

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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.