Home / 171,669,762.60-257,504,643.90-74,671,938.60

Finding the Fourth Proportional to 171,669,762.60, 257,504,643.90 and 74,671,938.60

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Solution

The fourth proportional to 171,669,762.60, 257,504,643.90 and 74,671,938.60 is: 112,007,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,669,762.60 : 257,504,643.90 = 74,671,938.60 : x
  2. Step 2: Convert to fraction form
    171,669,762.60/257,504,643.90 = 74,671,938.60/x
  3. Step 3: Cross multiply
    171,669,762.60x = 257,504,643.90 × 74,671,938.60
  4. Step 4: Simplify right side
    171,669,762.60x = 19,228,370,958,515,664
  5. Step 5: Solve for x
    x = 19,228,370,958,515,664/171,669,762.60
  6. Step 6: Final answer
    x = 112,007,907.90

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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.