Home / 117,007,032.54-161,474,780.58-64,796,068.21

Finding the Fourth Proportional to 117,007,032.54, 161,474,780.58 and 64,796,068.21

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Solution

The fourth proportional to 117,007,032.54, 161,474,780.58 and 64,796,068.21 is: 89,421,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007,032.54 : 161,474,780.58 = 64,796,068.21 : x
  2. Step 2: Convert to fraction form
    117,007,032.54/161,474,780.58 = 64,796,068.21/x
  3. Step 3: Cross multiply
    117,007,032.54x = 161,474,780.58 × 64,796,068.21
  4. Step 4: Simplify right side
    117,007,032.54x = 10,462,930,896,252,778
  5. Step 5: Solve for x
    x = 10,462,930,896,252,778/117,007,032.54
  6. Step 6: Final answer
    x = 89,421,384.93

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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.