Home / 147,072,419.40-220,608,629.10-97,754,694.60

Finding the Fourth Proportional to 147,072,419.40, 220,608,629.10 and 97,754,694.60

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Solution

The fourth proportional to 147,072,419.40, 220,608,629.10 and 97,754,694.60 is: 146,632,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072,419.40 : 220,608,629.10 = 97,754,694.60 : x
  2. Step 2: Convert to fraction form
    147,072,419.40/220,608,629.10 = 97,754,694.60/x
  3. Step 3: Cross multiply
    147,072,419.40x = 220,608,629.10 × 97,754,694.60
  4. Step 4: Simplify right side
    147,072,419.40x = 21,565,529,163,795,172
  5. Step 5: Solve for x
    x = 21,565,529,163,795,172/147,072,419.40
  6. Step 6: Final answer
    x = 146,632,041.90

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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.