Home / 93,131,033.28-128,524,802.40-51,877,953.60

Finding the Fourth Proportional to 93,131,033.28, 128,524,802.40 and 51,877,953.60

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Solution

The fourth proportional to 93,131,033.28, 128,524,802.40 and 51,877,953.60 is: 71,593,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,131,033.28 : 128,524,802.40 = 51,877,953.60 : x
  2. Step 2: Convert to fraction form
    93,131,033.28/128,524,802.40 = 51,877,953.60/x
  3. Step 3: Cross multiply
    93,131,033.28x = 128,524,802.40 × 51,877,953.60
  4. Step 4: Simplify right side
    93,131,033.28x = 6,667,603,735,356,369
  5. Step 5: Solve for x
    x = 6,667,603,735,356,369/93,131,033.28
  6. Step 6: Final answer
    x = 71,593,791.03

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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.