Home / 243,025,532.36-335,376,256.73-131,516,378.43

Finding the Fourth Proportional to 243,025,532.36, 335,376,256.73 and 131,516,378.43

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Solution

The fourth proportional to 243,025,532.36, 335,376,256.73 and 131,516,378.43 is: 181,493,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,025,532.36 : 335,376,256.73 = 131,516,378.43 : x
  2. Step 2: Convert to fraction form
    243,025,532.36/335,376,256.73 = 131,516,378.43/x
  3. Step 3: Cross multiply
    243,025,532.36x = 335,376,256.73 × 131,516,378.43
  4. Step 4: Simplify right side
    243,025,532.36x = 44,107,470,695,881,936
  5. Step 5: Solve for x
    x = 44,107,470,695,881,936/243,025,532.36
  6. Step 6: Final answer
    x = 181,493,155.34

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