Home / 93,131,303.28-128,525,175.12-51,878,223.60

Finding the Fourth Proportional to 93,131,303.28, 128,525,175.12 and 51,878,223.60

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Solution

The fourth proportional to 93,131,303.28, 128,525,175.12 and 51,878,223.60 is: 71,594,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,131,303.28 : 128,525,175.12 = 51,878,223.60 : x
  2. Step 2: Convert to fraction form
    93,131,303.28/128,525,175.12 = 51,878,223.60/x
  3. Step 3: Cross multiply
    93,131,303.28x = 128,525,175.12 × 51,878,223.60
  4. Step 4: Simplify right side
    93,131,303.28x = 6,667,657,773,104,517
  5. Step 5: Solve for x
    x = 6,667,657,773,104,517/93,131,303.28
  6. Step 6: Final answer
    x = 71,594,163.71

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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.