Home / 43,355,643.80-65,017,257.46-17,439,187.32

Finding the Fourth Proportional to 43,355,643.80, 65,017,257.46 and 17,439,187.32

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Solution

The fourth proportional to 43,355,643.80, 65,017,257.46 and 17,439,187.32 is: 26,152,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355,643.80 : 65,017,257.46 = 17,439,187.32 : x
  2. Step 2: Convert to fraction form
    43,355,643.80/65,017,257.46 = 17,439,187.32/x
  3. Step 3: Cross multiply
    43,355,643.80x = 65,017,257.46 × 17,439,187.32
  4. Step 4: Simplify right side
    43,355,643.80x = 1,133,848,131,877,607.50
  5. Step 5: Solve for x
    x = 1,133,848,131,877,607.50/43,355,643.80
  6. Step 6: Final answer
    x = 26,152,261.45

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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.