Home / 72,579,905.80-108,869,858.70-48,393,435.40

Finding the Fourth Proportional to 72,579,905.80, 108,869,858.70 and 48,393,435.40

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Solution

The fourth proportional to 72,579,905.80, 108,869,858.70 and 48,393,435.40 is: 72,590,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,579,905.80 : 108,869,858.70 = 48,393,435.40 : x
  2. Step 2: Convert to fraction form
    72,579,905.80/108,869,858.70 = 48,393,435.40/x
  3. Step 3: Cross multiply
    72,579,905.80x = 108,869,858.70 × 48,393,435.40
  4. Step 4: Simplify right side
    72,579,905.80x = 5,268,586,474,005,578
  5. Step 5: Solve for x
    x = 5,268,586,474,005,578/72,579,905.80
  6. Step 6: Final answer
    x = 72,590,153.10

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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.