Home / 93,346,698.78-128,815,067.52-51,529,865.94

Finding the Fourth Proportional to 93,346,698.78, 128,815,067.52 and 51,529,865.94

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Solution

The fourth proportional to 93,346,698.78, 128,815,067.52 and 51,529,865.94 is: 71,109,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,346,698.78 : 128,815,067.52 = 51,529,865.94 : x
  2. Step 2: Convert to fraction form
    93,346,698.78/128,815,067.52 = 51,529,865.94/x
  3. Step 3: Cross multiply
    93,346,698.78x = 128,815,067.52 × 51,529,865.94
  4. Step 4: Simplify right side
    93,346,698.78x = 6,637,823,160,357,648
  5. Step 5: Solve for x
    x = 6,637,823,160,357,648/93,346,698.78
  6. Step 6: Final answer
    x = 71,109,350.92

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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.