Home / 116,959,015-161,397,046.34-64,025,482.60

Finding the Fourth Proportional to 116,959,015, 161,397,046.34 and 64,025,482.60

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Solution

The fourth proportional to 116,959,015, 161,397,046.34 and 64,025,482.60 is: 88,351,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,959,015 : 161,397,046.34 = 64,025,482.60 : x
  2. Step 2: Convert to fraction form
    116,959,015/161,397,046.34 = 64,025,482.60/x
  3. Step 3: Cross multiply
    116,959,015x = 161,397,046.34 × 64,025,482.60
  4. Step 4: Simplify right side
    116,959,015x = 10,333,523,782,133,064
  5. Step 5: Solve for x
    x = 10,333,523,782,133,064/116,959,015
  6. Step 6: Final answer
    x = 88,351,665.60

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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.