Home / 124,106,774.74-171,254,674.92-76,414,455.67

Finding the Fourth Proportional to 124,106,774.74, 171,254,674.92 and 76,414,455.67

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Solution

The fourth proportional to 124,106,774.74, 171,254,674.92 and 76,414,455.67 is: 105,444,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,106,774.74 : 171,254,674.92 = 76,414,455.67 : x
  2. Step 2: Convert to fraction form
    124,106,774.74/171,254,674.92 = 76,414,455.67/x
  3. Step 3: Cross multiply
    124,106,774.74x = 171,254,674.92 × 76,414,455.67
  4. Step 4: Simplify right side
    124,106,774.74x = 13,086,332,764,954,600
  5. Step 5: Solve for x
    x = 13,086,332,764,954,600/124,106,774.74
  6. Step 6: Final answer
    x = 105,444,145.11

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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.