Home / 149,502,668.20-224,254,002.30-91,807,858.60

Finding the Fourth Proportional to 149,502,668.20, 224,254,002.30 and 91,807,858.60

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Solution

The fourth proportional to 149,502,668.20, 224,254,002.30 and 91,807,858.60 is: 137,711,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,502,668.20 : 224,254,002.30 = 91,807,858.60 : x
  2. Step 2: Convert to fraction form
    149,502,668.20/224,254,002.30 = 91,807,858.60/x
  3. Step 3: Cross multiply
    149,502,668.20x = 224,254,002.30 × 91,807,858.60
  4. Step 4: Simplify right side
    149,502,668.20x = 20,588,279,733,642,476
  5. Step 5: Solve for x
    x = 20,588,279,733,642,476/149,502,668.20
  6. Step 6: Final answer
    x = 137,711,787.90

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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.