Home / 60,671,999.70-91,007,999.55-39,172,914.90

Finding the Fourth Proportional to 60,671,999.70, 91,007,999.55 and 39,172,914.90

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Solution

The fourth proportional to 60,671,999.70, 91,007,999.55 and 39,172,914.90 is: 58,759,372.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,671,999.70 : 91,007,999.55 = 39,172,914.90 : x
  2. Step 2: Convert to fraction form
    60,671,999.70/91,007,999.55 = 39,172,914.90/x
  3. Step 3: Cross multiply
    60,671,999.70x = 91,007,999.55 × 39,172,914.90
  4. Step 4: Simplify right side
    60,671,999.70x = 3,565,048,621,591,388
  5. Step 5: Solve for x
    x = 3,565,048,621,591,388/60,671,999.70
  6. Step 6: Final answer
    x = 58,759,372.35

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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.