Home / 56,450,688.72-77,945,831.04-43,377,340.56

Finding the Fourth Proportional to 56,450,688.72, 77,945,831.04 and 43,377,340.56

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Solution

The fourth proportional to 56,450,688.72, 77,945,831.04 and 43,377,340.56 is: 59,894,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450,688.72 : 77,945,831.04 = 43,377,340.56 : x
  2. Step 2: Convert to fraction form
    56,450,688.72/77,945,831.04 = 43,377,340.56/x
  3. Step 3: Cross multiply
    56,450,688.72x = 77,945,831.04 × 43,377,340.56
  4. Step 4: Simplify right side
    56,450,688.72x = 3,381,082,858,254,299.50
  5. Step 5: Solve for x
    x = 3,381,082,858,254,299.50/56,450,688.72
  6. Step 6: Final answer
    x = 59,894,448.32

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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.