Home / 93,388,935.88-128,878,005.66-51,575,821.24

Finding the Fourth Proportional to 93,388,935.88, 128,878,005.66 and 51,575,821.24

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Solution

The fourth proportional to 93,388,935.88, 128,878,005.66 and 51,575,821.24 is: 71,175,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,388,935.88 : 128,878,005.66 = 51,575,821.24 : x
  2. Step 2: Convert to fraction form
    93,388,935.88/128,878,005.66 = 51,575,821.24/x
  3. Step 3: Cross multiply
    93,388,935.88x = 128,878,005.66 × 51,575,821.24
  4. Step 4: Simplify right side
    93,388,935.88x = 6,646,988,981,687,868
  5. Step 5: Solve for x
    x = 6,646,988,981,687,868/93,388,935.88
  6. Step 6: Final answer
    x = 71,175,336.98

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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.