Home / 189,989,698.74-262,183,780.34-106,358,516.20

Finding the Fourth Proportional to 189,989,698.74, 262,183,780.34 and 106,358,516.20

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Solution

The fourth proportional to 189,989,698.74, 262,183,780.34 and 106,358,516.20 is: 146,773,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,989,698.74 : 262,183,780.34 = 106,358,516.20 : x
  2. Step 2: Convert to fraction form
    189,989,698.74/262,183,780.34 = 106,358,516.20/x
  3. Step 3: Cross multiply
    189,989,698.74x = 262,183,780.34 × 106,358,516.20
  4. Step 4: Simplify right side
    189,989,698.74x = 27,885,477,849,462,712
  5. Step 5: Solve for x
    x = 27,885,477,849,462,712/189,989,698.74
  6. Step 6: Final answer
    x = 146,773,630.54

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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.