Home / 93,055,838.87-128,418,007.97-51,243,792.37

Finding the Fourth Proportional to 93,055,838.87, 128,418,007.97 and 51,243,792.37

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Solution

The fourth proportional to 93,055,838.87, 128,418,007.97 and 51,243,792.37 is: 70,716,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,055,838.87 : 128,418,007.97 = 51,243,792.37 : x
  2. Step 2: Convert to fraction form
    93,055,838.87/128,418,007.97 = 51,243,792.37/x
  3. Step 3: Cross multiply
    93,055,838.87x = 128,418,007.97 × 51,243,792.37
  4. Step 4: Simplify right side
    93,055,838.87x = 6,580,625,736,983,685
  5. Step 5: Solve for x
    x = 6,580,625,736,983,685/93,055,838.87
  6. Step 6: Final answer
    x = 70,716,956.80

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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.