Home / 119,232,407.80-178,848,611.70-73,315,905.40

Finding the Fourth Proportional to 119,232,407.80, 178,848,611.70 and 73,315,905.40

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Solution

The fourth proportional to 119,232,407.80, 178,848,611.70 and 73,315,905.40 is: 109,973,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,232,407.80 : 178,848,611.70 = 73,315,905.40 : x
  2. Step 2: Convert to fraction form
    119,232,407.80/178,848,611.70 = 73,315,905.40/x
  3. Step 3: Cross multiply
    119,232,407.80x = 178,848,611.70 × 73,315,905.40
  4. Step 4: Simplify right side
    119,232,407.80x = 13,112,447,896,318,534
  5. Step 5: Solve for x
    x = 13,112,447,896,318,534/119,232,407.80
  6. Step 6: Final answer
    x = 109,973,858.10

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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.