Home / 93,175,965.74-128,588,585.52-51,359,936.73

Finding the Fourth Proportional to 93,175,965.74, 128,588,585.52 and 51,359,936.73

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Solution

The fourth proportional to 93,175,965.74, 128,588,585.52 and 51,359,936.73 is: 70,879,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175,965.74 : 128,588,585.52 = 51,359,936.73 : x
  2. Step 2: Convert to fraction form
    93,175,965.74/128,588,585.52 = 51,359,936.73/x
  3. Step 3: Cross multiply
    93,175,965.74x = 128,588,585.52 × 51,359,936.73
  4. Step 4: Simplify right side
    93,175,965.74x = 6,604,301,616,507,394
  5. Step 5: Solve for x
    x = 6,604,301,616,507,394/93,175,965.74
  6. Step 6: Final answer
    x = 70,879,883.71

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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.