Home / 93,162,356.91-128,564,562.42-54,027,336.78

Finding the Fourth Proportional to 93,162,356.91, 128,564,562.42 and 54,027,336.78

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Solution

The fourth proportional to 93,162,356.91, 128,564,562.42 and 54,027,336.78 is: 74,558,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,162,356.91 : 128,564,562.42 = 54,027,336.78 : x
  2. Step 2: Convert to fraction form
    93,162,356.91/128,564,562.42 = 54,027,336.78/x
  3. Step 3: Cross multiply
    93,162,356.91x = 128,564,562.42 × 54,027,336.78
  4. Step 4: Simplify right side
    93,162,356.91x = 6,946,000,911,838,672
  5. Step 5: Solve for x
    x = 6,946,000,911,838,672/93,162,356.91
  6. Step 6: Final answer
    x = 74,558,020.45

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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.