Home / 66,436,039.60-99,654,059.40-28,084,807.60

Finding the Fourth Proportional to 66,436,039.60, 99,654,059.40 and 28,084,807.60

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Solution

The fourth proportional to 66,436,039.60, 99,654,059.40 and 28,084,807.60 is: 42,127,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,039.60 : 99,654,059.40 = 28,084,807.60 : x
  2. Step 2: Convert to fraction form
    66,436,039.60/99,654,059.40 = 28,084,807.60/x
  3. Step 3: Cross multiply
    66,436,039.60x = 99,654,059.40 × 28,084,807.60
  4. Step 4: Simplify right side
    66,436,039.60x = 2,798,765,084,807,972
  5. Step 5: Solve for x
    x = 2,798,765,084,807,972/66,436,039.60
  6. Step 6: Final answer
    x = 42,127,211.40

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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.