Home / 187,985,114.70-281,977,672.05-171,829,308.30

Finding the Fourth Proportional to 187,985,114.70, 281,977,672.05 and 171,829,308.30

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Solution

The fourth proportional to 187,985,114.70, 281,977,672.05 and 171,829,308.30 is: 257,743,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,985,114.70 : 281,977,672.05 = 171,829,308.30 : x
  2. Step 2: Convert to fraction form
    187,985,114.70/281,977,672.05 = 171,829,308.30/x
  3. Step 3: Cross multiply
    187,985,114.70x = 281,977,672.05 × 171,829,308.30
  4. Step 4: Simplify right side
    187,985,114.70x = 48,452,028,344,395,752
  5. Step 5: Solve for x
    x = 48,452,028,344,395,752/187,985,114.70
  6. Step 6: Final answer
    x = 257,743,962.45

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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.