Home / 91,017,136.80-136,525,705.20-30,432,862.80

Finding the Fourth Proportional to 91,017,136.80, 136,525,705.20 and 30,432,862.80

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Solution

The fourth proportional to 91,017,136.80, 136,525,705.20 and 30,432,862.80 is: 45,649,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,017,136.80 : 136,525,705.20 = 30,432,862.80 : x
  2. Step 2: Convert to fraction form
    91,017,136.80/136,525,705.20 = 30,432,862.80/x
  3. Step 3: Cross multiply
    91,017,136.80x = 136,525,705.20 × 30,432,862.80
  4. Step 4: Simplify right side
    91,017,136.80x = 4,154,868,055,024,846.50
  5. Step 5: Solve for x
    x = 4,154,868,055,024,846.50/91,017,136.80
  6. Step 6: Final answer
    x = 45,649,294.20

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Double scale
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Similar ratio
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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.