Home / 126,985,042.40-175,276,652.88-82,938,774.80

Finding the Fourth Proportional to 126,985,042.40, 175,276,652.88 and 82,938,774.80

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Solution

The fourth proportional to 126,985,042.40, 175,276,652.88 and 82,938,774.80 is: 114,479,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985,042.40 : 175,276,652.88 = 82,938,774.80 : x
  2. Step 2: Convert to fraction form
    126,985,042.40/175,276,652.88 = 82,938,774.80/x
  3. Step 3: Cross multiply
    126,985,042.40x = 175,276,652.88 × 82,938,774.80
  4. Step 4: Simplify right side
    126,985,042.40x = 14,537,230,840,912,090
  5. Step 5: Solve for x
    x = 14,537,230,840,912,090/126,985,042.40
  6. Step 6: Final answer
    x = 114,479,867.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.