Home / 93,175,968.36-128,588,589.15-51,359,939.37

Finding the Fourth Proportional to 93,175,968.36, 128,588,589.15 and 51,359,939.37

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Solution

The fourth proportional to 93,175,968.36, 128,588,589.15 and 51,359,939.37 is: 70,879,887.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175,968.36 : 128,588,589.15 = 51,359,939.37 : x
  2. Step 2: Convert to fraction form
    93,175,968.36/128,588,589.15 = 51,359,939.37/x
  3. Step 3: Cross multiply
    93,175,968.36x = 128,588,589.15 × 51,359,939.37
  4. Step 4: Simplify right side
    93,175,968.36x = 6,604,302,142,417,840
  5. Step 5: Solve for x
    x = 6,604,302,142,417,840/93,175,968.36
  6. Step 6: Final answer
    x = 70,879,887.36

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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.