Home / 93,078,057-128,443,573.51-53,357,111.89

Finding the Fourth Proportional to 93,078,057, 128,443,573.51 and 53,357,111.89

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Solution

The fourth proportional to 93,078,057, 128,443,573.51 and 53,357,111.89 is: 73,630,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078,057 : 128,443,573.51 = 53,357,111.89 : x
  2. Step 2: Convert to fraction form
    93,078,057/128,443,573.51 = 53,357,111.89/x
  3. Step 3: Cross multiply
    93,078,057x = 128,443,573.51 × 53,357,111.89
  4. Step 4: Simplify right side
    93,078,057x = 6,853,378,123,324,510
  5. Step 5: Solve for x
    x = 6,853,378,123,324,510/93,078,057
  6. Step 6: Final answer
    x = 73,630,438.20

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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.