Home / 143,437,250.98-197,952,744.81-81,563,342.50

Finding the Fourth Proportional to 143,437,250.98, 197,952,744.81 and 81,563,342.50

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Solution

The fourth proportional to 143,437,250.98, 197,952,744.81 and 81,563,342.50 is: 112,562,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,437,250.98 : 197,952,744.81 = 81,563,342.50 : x
  2. Step 2: Convert to fraction form
    143,437,250.98/197,952,744.81 = 81,563,342.50/x
  3. Step 3: Cross multiply
    143,437,250.98x = 197,952,744.81 × 81,563,342.50
  4. Step 4: Simplify right side
    143,437,250.98x = 16,145,687,523,753,128
  5. Step 5: Solve for x
    x = 16,145,687,523,753,128/143,437,250.98
  6. Step 6: Final answer
    x = 112,562,722.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.