Home / 116,903,435.86-161,329,373.76-75,722,007.16

Finding the Fourth Proportional to 116,903,435.86, 161,329,373.76 and 75,722,007.16

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Solution

The fourth proportional to 116,903,435.86, 161,329,373.76 and 75,722,007.16 is: 104,498,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,903,435.86 : 161,329,373.76 = 75,722,007.16 : x
  2. Step 2: Convert to fraction form
    116,903,435.86/161,329,373.76 = 75,722,007.16/x
  3. Step 3: Cross multiply
    116,903,435.86x = 161,329,373.76 × 75,722,007.16
  4. Step 4: Simplify right side
    116,903,435.86x = 12,216,183,994,973,034
  5. Step 5: Solve for x
    x = 12,216,183,994,973,034/116,903,435.86
  6. Step 6: Final answer
    x = 104,498,074.89

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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.