Home / 124,416,136.80-186,624,205.20-38,153,858.40

Finding the Fourth Proportional to 124,416,136.80, 186,624,205.20 and 38,153,858.40

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Solution

The fourth proportional to 124,416,136.80, 186,624,205.20 and 38,153,858.40 is: 57,230,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,136.80 : 186,624,205.20 = 38,153,858.40 : x
  2. Step 2: Convert to fraction form
    124,416,136.80/186,624,205.20 = 38,153,858.40/x
  3. Step 3: Cross multiply
    124,416,136.80x = 186,624,205.20 × 38,153,858.40
  4. Step 4: Simplify right side
    124,416,136.80x = 7,120,433,499,213,343
  5. Step 5: Solve for x
    x = 7,120,433,499,213,343/124,416,136.80
  6. Step 6: Final answer
    x = 57,230,787.60

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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.