Home / 48,411,997.80-72,534,015.90-31,363,895.40

Finding the Fourth Proportional to 48,411,997.80, 72,534,015.90 and 31,363,895.40

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Solution

The fourth proportional to 48,411,997.80, 72,534,015.90 and 31,363,895.40 is: 46,991,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,411,997.80 : 72,534,015.90 = 31,363,895.40 : x
  2. Step 2: Convert to fraction form
    48,411,997.80/72,534,015.90 = 31,363,895.40/x
  3. Step 3: Cross multiply
    48,411,997.80x = 72,534,015.90 × 31,363,895.40
  4. Step 4: Simplify right side
    48,411,997.80x = 2,274,949,287,629,537
  5. Step 5: Solve for x
    x = 2,274,949,287,629,537/48,411,997.80
  6. Step 6: Final answer
    x = 46,991,435.82

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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.