Home / 71,238,821.60-106,858,232.40-48,564,005.60

Finding the Fourth Proportional to 71,238,821.60, 106,858,232.40 and 48,564,005.60

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Solution

The fourth proportional to 71,238,821.60, 106,858,232.40 and 48,564,005.60 is: 72,846,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,238,821.60 : 106,858,232.40 = 48,564,005.60 : x
  2. Step 2: Convert to fraction form
    71,238,821.60/106,858,232.40 = 48,564,005.60/x
  3. Step 3: Cross multiply
    71,238,821.60x = 106,858,232.40 × 48,564,005.60
  4. Step 4: Simplify right side
    71,238,821.60x = 5,189,463,796,679,702
  5. Step 5: Solve for x
    x = 5,189,463,796,679,702/71,238,821.60
  6. Step 6: Final answer
    x = 72,846,008.40

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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.