Home / 42,701,097.60-64,059,940.80-18,439,977.60

Finding the Fourth Proportional to 42,701,097.60, 64,059,940.80 and 18,439,977.60

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Solution

The fourth proportional to 42,701,097.60, 64,059,940.80 and 18,439,977.60 is: 27,663,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,701,097.60 : 64,059,940.80 = 18,439,977.60 : x
  2. Step 2: Convert to fraction form
    42,701,097.60/64,059,940.80 = 18,439,977.60/x
  3. Step 3: Cross multiply
    42,701,097.60x = 64,059,940.80 × 18,439,977.60
  4. Step 4: Simplify right side
    42,701,097.60x = 1,181,263,873,409,326
  5. Step 5: Solve for x
    x = 1,181,263,873,409,326/42,701,097.60
  6. Step 6: Final answer
    x = 27,663,548.24

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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.