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Finding the Fourth Proportional to 100,910,682.80, 141,370,615.30 and 100,910,682.80

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Solution

The fourth proportional to 100,910,682.80, 141,370,615.30 and 100,910,682.80 is: 141,370,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,910,682.80 : 141,370,615.30 = 100,910,682.80 : x
  2. Step 2: Convert to fraction form
    100,910,682.80/141,370,615.30 = 100,910,682.80/x
  3. Step 3: Cross multiply
    100,910,682.80x = 141,370,615.30 × 100,910,682.80
  4. Step 4: Simplify right side
    100,910,682.80x = 14,265,805,317,779,128
  5. Step 5: Solve for x
    x = 14,265,805,317,779,128/100,910,682.80
  6. Step 6: Final answer
    x = 141,370,615.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.