Home / 101,362,234.70-139,885,315.10-56,705,542.81

Finding the Fourth Proportional to 101,362,234.70, 139,885,315.10 and 56,705,542.81

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Solution

The fourth proportional to 101,362,234.70, 139,885,315.10 and 56,705,542.81 is: 78,256,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,362,234.70 : 139,885,315.10 = 56,705,542.81 : x
  2. Step 2: Convert to fraction form
    101,362,234.70/139,885,315.10 = 56,705,542.81/x
  3. Step 3: Cross multiply
    101,362,234.70x = 139,885,315.10 × 56,705,542.81
  4. Step 4: Simplify right side
    101,362,234.70x = 7,932,272,723,666,828
  5. Step 5: Solve for x
    x = 7,932,272,723,666,828/101,362,234.70
  6. Step 6: Final answer
    x = 78,256,687.49

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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.