Home / 66,461,010.60-99,616,866.30-28,115,999.40

Finding the Fourth Proportional to 66,461,010.60, 99,616,866.30 and 28,115,999.40

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Solution

The fourth proportional to 66,461,010.60, 99,616,866.30 and 28,115,999.40 is: 42,142,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,010.60 : 99,616,866.30 = 28,115,999.40 : x
  2. Step 2: Convert to fraction form
    66,461,010.60/99,616,866.30 = 28,115,999.40/x
  3. Step 3: Cross multiply
    66,461,010.60x = 99,616,866.30 × 28,115,999.40
  4. Step 4: Simplify right side
    66,461,010.60x = 2,800,827,753,120,680
  5. Step 5: Solve for x
    x = 2,800,827,753,120,680/66,461,010.60
  6. Step 6: Final answer
    x = 42,142,418.96

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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.