Home / 126,064,851.40-188,985,302.70-74,892,550.60

Finding the Fourth Proportional to 126,064,851.40, 188,985,302.70 and 74,892,550.60

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Solution

The fourth proportional to 126,064,851.40, 188,985,302.70 and 74,892,550.60 is: 112,272,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064,851.40 : 188,985,302.70 = 74,892,550.60 : x
  2. Step 2: Convert to fraction form
    126,064,851.40/188,985,302.70 = 74,892,550.60/x
  3. Step 3: Cross multiply
    126,064,851.40x = 188,985,302.70 × 74,892,550.60
  4. Step 4: Simplify right side
    126,064,851.40x = 14,153,591,345,116,064
  5. Step 5: Solve for x
    x = 14,153,591,345,116,064/126,064,851.40
  6. Step 6: Final answer
    x = 112,272,304.20

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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.