Home / 146,643,620.40-220,091,401.80-64,888,311.60

Finding the Fourth Proportional to 146,643,620.40, 220,091,401.80 and 64,888,311.60

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Solution

The fourth proportional to 146,643,620.40, 220,091,401.80 and 64,888,311.60 is: 97,388,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643,620.40 : 220,091,401.80 = 64,888,311.60 : x
  2. Step 2: Convert to fraction form
    146,643,620.40/220,091,401.80 = 64,888,311.60/x
  3. Step 3: Cross multiply
    146,643,620.40x = 220,091,401.80 × 64,888,311.60
  4. Step 4: Simplify right side
    146,643,620.40x = 14,281,359,460,479,202
  5. Step 5: Solve for x
    x = 14,281,359,460,479,202/146,643,620.40
  6. Step 6: Final answer
    x = 97,388,208.38

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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.