Home / 93,162,357.91-128,564,563.80-54,027,337.78

Finding the Fourth Proportional to 93,162,357.91, 128,564,563.80 and 54,027,337.78

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Solution

The fourth proportional to 93,162,357.91, 128,564,563.80 and 54,027,337.78 is: 74,558,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162,357.91 : 128,564,563.80 = 54,027,337.78 : x
  2. Step 2: Convert to fraction form
    93,162,357.91/128,564,563.80 = 54,027,337.78/x
  3. Step 3: Cross multiply
    93,162,357.91x = 128,564,563.80 × 54,027,337.78
  4. Step 4: Simplify right side
    93,162,357.91x = 6,946,001,114,960,960
  5. Step 5: Solve for x
    x = 6,946,001,114,960,960/93,162,357.91
  6. Step 6: Final answer
    x = 74,558,021.83

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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.