Home / 189,989,699.74-262,183,781.72-106,358,517.20

Finding the Fourth Proportional to 189,989,699.74, 262,183,781.72 and 106,358,517.20

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Solution

The fourth proportional to 189,989,699.74, 262,183,781.72 and 106,358,517.20 is: 146,773,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,989,699.74 : 262,183,781.72 = 106,358,517.20 : x
  2. Step 2: Convert to fraction form
    189,989,699.74/262,183,781.72 = 106,358,517.20/x
  3. Step 3: Cross multiply
    189,989,699.74x = 262,183,781.72 × 106,358,517.20
  4. Step 4: Simplify right side
    189,989,699.74x = 27,885,478,257,627,668
  5. Step 5: Solve for x
    x = 27,885,478,257,627,668/189,989,699.74
  6. Step 6: Final answer
    x = 146,773,631.92

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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.