Home / 66,676,526.40-100,014,789.60-28,339,291.20

Finding the Fourth Proportional to 66,676,526.40, 100,014,789.60 and 28,339,291.20

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Solution

The fourth proportional to 66,676,526.40, 100,014,789.60 and 28,339,291.20 is: 42,508,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,676,526.40 : 100,014,789.60 = 28,339,291.20 : x
  2. Step 2: Convert to fraction form
    66,676,526.40/100,014,789.60 = 28,339,291.20/x
  3. Step 3: Cross multiply
    66,676,526.40x = 100,014,789.60 × 28,339,291.20
  4. Step 4: Simplify right side
    66,676,526.40x = 2,834,348,246,781,131.50
  5. Step 5: Solve for x
    x = 2,834,348,246,781,131.50/66,676,526.40
  6. Step 6: Final answer
    x = 42,508,936.80

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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.