Home / 403,287,090.40-604,930,635.60-187,898,111.20

Finding the Fourth Proportional to 403,287,090.40, 604,930,635.60 and 187,898,111.20

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Solution

The fourth proportional to 403,287,090.40, 604,930,635.60 and 187,898,111.20 is: 281,847,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,287,090.40 : 604,930,635.60 = 187,898,111.20 : x
  2. Step 2: Convert to fraction form
    403,287,090.40/604,930,635.60 = 187,898,111.20/x
  3. Step 3: Cross multiply
    403,287,090.40x = 604,930,635.60 × 187,898,111.20
  4. Step 4: Simplify right side
    403,287,090.40x = 113,665,323,836,255,472
  5. Step 5: Solve for x
    x = 113,665,323,836,255,472/403,287,090.40
  6. Step 6: Final answer
    x = 281,847,166.80

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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.