Home / 99,028,232.20-148,400,630.70-72,916,764.40

Finding the Fourth Proportional to 99,028,232.20, 148,400,630.70 and 72,916,764.40

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Solution

The fourth proportional to 99,028,232.20, 148,400,630.70 and 72,916,764.40 is: 109,270,796.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,028,232.20 : 148,400,630.70 = 72,916,764.40 : x
  2. Step 2: Convert to fraction form
    99,028,232.20/148,400,630.70 = 72,916,764.40/x
  3. Step 3: Cross multiply
    99,028,232.20x = 148,400,630.70 × 72,916,764.40
  4. Step 4: Simplify right side
    99,028,232.20x = 10,820,893,825,563,308
  5. Step 5: Solve for x
    x = 10,820,893,825,563,308/99,028,232.20
  6. Step 6: Final answer
    x = 109,270,796.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.