Home / 93,078,047.39-128,443,560.21-53,357,102.28

Finding the Fourth Proportional to 93,078,047.39, 128,443,560.21 and 53,357,102.28

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Solution

The fourth proportional to 93,078,047.39, 128,443,560.21 and 53,357,102.28 is: 73,630,424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078,047.39 : 128,443,560.21 = 53,357,102.28 : x
  2. Step 2: Convert to fraction form
    93,078,047.39/128,443,560.21 = 53,357,102.28/x
  3. Step 3: Cross multiply
    93,078,047.39x = 128,443,560.21 × 53,357,102.28
  4. Step 4: Simplify right side
    93,078,047.39x = 6,853,376,179,332,308
  5. Step 5: Solve for x
    x = 6,853,376,179,332,308/93,078,047.39
  6. Step 6: Final answer
    x = 73,630,424.92

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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.